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Laboratory

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"What dark secrets do the Alchemists hide inside their Laboratory? Nobody has dared to look. All we know is that their research makes our spells and troops harder, better, faster and stronger!"

Laboratory1 Laboratory2 Laboratory3 Laboratory4 Laboratory5
Level 1 Level 2 Level 3 Level 4 Level 5
Laboratory6 Laboratory7 Laboratory8 Laboratory9 Laboratory10
Level 6 Level 7 Level 8 Level 9 Level 10
  • Summary
    • The Laboratory is a building where you can upgrade your Troops and Spells. For a single research fee of Elixir or Dark Elixir, or one Hammer of Fighting or Hammer of Spells (which will instantly finish the upgrade), a chosen troop, spell or siege machine's stats (health, damage, etc.) and cost (not increased for siege machines) will increase by a small amount.
    • If you decide to upgrade your Laboratory while there's a research going on, it will continue the research progression. If you happen to be logged on when the Laboratory upgrade completes, it may appear that the upgrade picks up where it left off. Log out and back on to see your troop upgrade progress reach its proper progress level.
      • If an upgrade within the Laboratory would complete while the Laboratory itself is being upgraded, the upgrade will not complete until the Laboratory finishes upgrading.
    • You cannot cancel the research while it is in progress, but you can immediately complete the upgrade. There are two methods to do so: using Gems, or with the relevant Magic Items (a Book of Fighting for troops, a Book of Spells for spells; a Book of Everything can be used for either).
    • The Laboratories emit a purple (level 1-6), blue (level 7), red (level 8) or yellow (level 9 & 10) glow from the entrances when upgrading troop or spells.
    • You do not need an available Builder to upgrade in the Laboratory.
    • Different levels of troops will receive graphical changes. However, when you are upgrading a troop, the laboratory interface doesn't show what it looks like after the upgrade.
    • When a Laboratory upgrade is completed, it is applied immediately to any relevant troops, spells or siege machines that are present on the village, wherever they may be (whether it is already ready or is being trained at the time that the upgrade completes). You do not have to create new instances of the upgraded unit to benefit from the upgrade.
      • As a result, due to upgraded units having higher creation costs, you can queue the unit being upgraded in the relevant building just before the upgrade finishes, and then un-queue the unit when the upgrade finishes to gain some resources.
  • Upgrade Differences
    • Laboratories undergo significant visual changes at levels 2, 3, 6, 7, 8, 9 and 10.
      • When initially constructed, the Laboratory consists of a wooden octagonal structure with multiple door-less entrances. A mass of black tubing covers the center of the Laboratory's roof.
      • At level 2, the Laboratory adds a large vat of Elixir mounted on one side, while the roof is reinforced with steel. A dial is on the vat of elixir, and wires connect it to the roof, near the black tubing.
      • At level 3, the Laboratory's roof adds a large black dome with circular [elixir-colored ports.
      • At level 4, the doorways receive gold trim.
      • At level 5, a second Elixir vat is added to the left wall.
      • The level 6 Laboratory receives a faceted crystal sphere on its roof supported by a black iron rod and a helical golden spring. Electricity periodically runs up the surface of the sphere.
      • At level 7, the crystal sphere is replaced by a huge set of stacked circular gold rings, identical to those found atop the level 7 Hidden Tesla. The elixir vat on the left side of the Laboratory is replaced with a larger one filled with Dark Elixir. The ringed structure on the roof crackles periodically with electricity. The dark color theme indicates that this level is unlocked at Town Hall level 9.
      • At level 8, the circular gold rings are replaced with a vertical tube glowing from the inside. This tube is emblazoned with what appears to be the symbol representing radioactive material, which indicates that the liquid is likely radioactive. The door posts turn to a dark red color. It seems that red fluid is filling the left chamber. The dial also starts moving back and forth rapidly, showing that the vat may be overflowing. During an upgrade, the vertical tube spews fire. The red color theme indicates that this level is unlocked at Town Hall level 10.
      • At level 9, the stack of rings are re-added to the top of the Laboratory, instead this time the rings are white rather than gold. The door post turns from a dark red to white. The red fluid on the left side is changed to yellow. The white and yellow color theme indicates that this level is unlocked at Town Hall level 11.
      • At level 10, the Laboratory takes on a blue-gray color scheme. The stack of rings is now replaced with a giant yellow screw, which twists in and out of the roof when an upgrade is in progress. The dial from level 8 returns, and is now larger than before. The fluid vat on the left is now replaced by a metal tube with a cyan glow in the middle.
  • Trivia
    • Although a particular troop or spell may be listed in the table below as being available to upgrade at a particular Laboratory level, only those you have previously unlocked (with the appropriate level Barracks, Dark Barracks, Spell Factory or Dark Spell Factory) will actually appear in the upgrade interface. For instance, the level 2 Lightning Spell is available in the level 1 Laboratory, but the Lightning Spell itself is not unlocked until the Spell Factory is built. Once the Spell Factory is constructed, you will be able to upgrade the Lightning Spell as high as your current Laboratory allows.
    • The conductor on top of the Laboratory on levels 6 and 7 depicts the 'lightning gatherer' that is used to raise the dead creatures to life that are often found in horror movies.
    • The pressure gauges on the side Dark Elixir vats are only seen moving on the level 7 and 8 Laboratory, except for when troops/spells go under upgrade. Then, all laboratory gauges move.
    • The Laboratory is currently the only building that can only be built/upgraded exactly once in every Town Hall level starting from Town Hall 3 to Town Hall 12.
    • The phrase: "Harder, better, faster, and stronger!" is a reference to the French dance duo Daft Punk's widely known song, Harder Better Faster Stronger.
      • None of the troops increase in speed when upgraded. However, upgrading the Rage Spell and Haste Spell in the Lab will produce more speed boosts, which justifies the word "faster".
    • The Laboratory, the Town Hall and the Eagle Artillery are the only three buildings in the Home Village to take up a 4x4 grid space.
    • The Laboratory contains 4 entry ways instead of 2, they can be seen in the back where the arches for the entry ways stand.
  • Icon Descriptions
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Damage Per Second, Hitpoints, Range, Damage Type, Targets and Favorite Target.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Re-arm cost, Damage Type and Targets.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Damage Type and Targets.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Capacity, Production and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Capacity, Production and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Storage Capacity and Hitpoints.
    Icon InfoTapping this icon displays the Hut's Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Total Troop Capacity and Hitpoints.
    Icon InfoTapping this icon displays the Army Camp's Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Spell Capacity and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Elixir Storage Capacity, Gold Storage Capacity and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Troop Capacity, Hitpoints and Troops inside.
    Icon InfoTapping this icon displays information about the Wall, such as Level and Hitpoints.
    Icon InfoTapping this icon displays information about the Wall, such as Level and Hitpoints.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Damage per Second, Hitpoints, Regeneration Time and Ability Level.
    Icon InfoTapping this icon displays information about the Laboratory, such as Level, Damage per Second, Hitpoints, Regeneration Time and Ability Level.
    Icon InfoTapping this icon displays information about the Workshop, such as Level, Siege Machine Capacity and Hitpoints.
    Icon UpgradeTapping this icon begins upgrading the Laboratory to the next level, if you have enough resources and a free Builder. When the Laboratory is at maximum level, this icon is not shown.
    Icon HoBTapping this icon instantly upgrades the Laboratory to the next level, at the cost of one Hammer of Building if you have one. When the Laboratory is at maximum level, this icon is not shown.
    Icon FinishNowTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number of Gems.
    Icon FinishNowBoBTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Building. This icon is only shown if you have at least one Book of Building.
    Icon FinishNowBoETapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Building.
    Icon Builder PotionTapping this icon, which is displayed only while an upgrade is in progress, boosts all your Builders for 1 hour by a factor of ten, at the cost of one Builder Potion. This icon is only shown if you have at least one Builder Potion.
    Icon CancelTapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.
    Icon UpgradeWeaponTapping this icon, which is shown only when the Town Hall is level 12, begins upgrading the Giga Tesla to the next level, if you have enough resources and a free Builder. When the Giga Tesla is at maximum level, this icon is not shown.
    Icon HoBWeaponTapping this icon, which is shown only when the Town Hall is level 12, instantly upgrades the Giga Tesla to the next level, at the cost of one Hammer of Building if you have one. When the Giga Tesla is at maximum level, this icon is not shown.
    Icon UpgradeTapping this icon begins upgrading the Laboratory to the next level, if you have enough resources and a free Master Builder. When the Laboratory is at maximum level, this icon is not shown.
    Icon HoBTapping this icon instantly upgrades the Laboratory to the next level, at the cost of one Hammer of Building if you have one. When the Laboratory is at maximum level, this icon is not shown.
    Icon FinishNowTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number of Gems.
    Icon FinishNowBoBTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Building. This icon is only shown if you have at least one Book of Building.
    Icon FinishNowBoETapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Building.
    Icon CancelTapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.
    Icon GroundTapping this icon switches the Laboratory attack mode to attack air units. This icon is only displayed while the Laboratory is in Ground mode.
    Icon AirTapping this icon switches the Laboratory attack mode to attack ground units. This icon is only displayed while the Laboratory is in Air mode.
    Icon Warden GroundTapping this icon switches the Laboratory to be deployed as an air unit. This icon is only displayed while the Laboratory is in Ground mode.
    Icon Warden AirTapping this icon switches the Laboratory to be deployed as a ground unit. This icon is only displayed while the Laboratory is in Air mode.
    Icon ReArmTapping this icon re-arms this Laboratory. This icon is only displayed after this Laboratory has been triggered during an enemy attack.
    Icon ReArmAllTapping this icon re-arms all Traps. This icon is only displayed when one or more of your Traps have been triggered in a previous enemy attack.
    IconAllTrapsArmedThis icon informs you that all Traps are armed. It is not tappable, and replaces the re-arm icons.
    IconLoadXBowTapping this icon reloads this X-Bow with Elixir. This icon only appears if this X-Bow is not fully loaded.
    IconLoadAllXBowsTapping this icon reloads all X-Bows with Elixir. This icon only appears if one or more X-Bows are not fully loaded.
    IconLoadEagleTapping this icon reloads the Eagle Artillery with Elixir. This icon only appears if the player owns the Eagle Artillery but not an X-Bow, and if the Eagle Artillery is not fully loaded.
    IconLoadXBowEagleTapping this icon reloads all X-Bows and the Eagle Artillery with Elixir. This icon only appears if at least one of these buildings is not fully loaded, and will replace the icons above if the player has both an X-Bow and the Eagle Artillery.
    IconFullyLoadedXBowsThis icon informs you that all X-Bows are fully loaded. It is not tappable, and replaces the Load icons.
    IconFullyLoadedEagleThis icon informs you that the Eagle Artillery is fully loaded. It is not tappable, and only appears if the player owns the Eagle Artillery but not an X-Bow.
    IconFullyLoadedXBowEagleThis icon informs you that all X-Bows and the Eagle Artillery are fully loaded. It is not tappable, and replaces the icon above if the player has both an X-Bow and the Eagle Artillery.
    Icon GroundTapping this icon switches the X-Bow attack mode to attack both ground and air units. This icon is only displayed while the X-Bow is in Ground mode.
    Icon AirGroundTapping this icon switches the X-Bow attack mode to attack ground units only. This icon is only displayed while the X-Bow is in Air and Ground mode.
    IconLoadInfernoTapping this icon reloads this Inferno Tower with Dark Elixir. This icon only appears if this Inferno Tower is not fully loaded.
    IconLoadAllInfernosTapping this icon reloads all Inferno Towers with Dark Elixir. This icon only appears if one or more Inferno Towers are not fully loaded.
    Icon FullyLoadedDarkElixirThis icon informs you that all Inferno Towers are fully loaded. It is not tappable, and replaces the Load icons.
    Icon SingleTapping this icon switches the Inferno Tower attack mode to attack multiple enemies. This icon is only displayed while the Inferno Tower is in Single attack mode.
    Icon MultipleTapping this icon switches the Inferno Tower attack mode to attack a single enemy. This icon is only displayed while the Inferno Tower is in Multiple attack mode.
    IconLoadEagleTapping this icon reloads the Eagle Artillery with Elixir. This icon only appears if the Eagle Artillery is not fully loaded.
    IconFullyLoadedEagleThis icon informs you that the Eagle Artillery is fully loaded. It is not tappable, and replaces the Load icon.
    Icon Boost1Tapping this icon boosts your Gold production for 1 day at the cost of the displayed amount of Gems.
    Icon BoostAllTapping this icon boosts your Gold production of all the Laboratorys for 1 day at the cost of the displayed amount of Gems.
    Icon BoostAllPoRTapping this icon boosts the production of all the Resource collector buildings for 1 day at the cost of one Resource Potion. This icon is only shown if you have at least one Resource Potion.
    Icon CollectGoldTapping this icon collects the uncollected Gold from the Laboratory.
    Icon NoCollectGoldThis icon informs you that you don't have Gold to be collected from your Laboratory.
    Icon Boost1hTapping this icon boosts your troop training for 1 hour, reducing the time required to train troops by a factor of four for the duration of the boost.
    Icon BoostAllPoTTapping this icon boosts your troop training, spell brewing and hero regeneration for 1 hour, reducing the time by a factor of four for the duration of the boost, at the cost of one Training Potion. This icon is only shown if you have at least one Training Potion.
    Icon TrainTroopsTapping this icon opens up the troop training interface, allowing you to train troops.
    Icon TrainTroopsTapping this icon opens up the troop training interface, allowing you to train troops.
    Icon TrainTroopsTapping this icon opens up the troop training interface, allowing you to train troops.
    Icon ResearchTapping this icon opens up the Laboratory interface, allowing you to upgrade your troops' levels.
    Icon ResearchTapping this icon opens up the Star Laboratory interface, allowing you to upgrade your troops' levels.
    Icon Boost1hTapping this icon boosts your spell creation for 1 hour, reducing the time required to create spells by a factor of four for the duration of the boost.
    Icon BoostAllPoTTapping this icon boosts your troop training, spell brewing and hero regeneration for 1 hour, reducing the time by a factor of four for the duration of the boost, at the cost of one Training Potion. This icon is only shown if you have at least one Training Potion.
    Icon BrewSpellsTapping this icon opens up the Laboratory's interface, allowing you to brew spells.
    Icon UpgradeTapping this icon begins upgrading the Laboratory to the next level, if you have enough resources and a free Builder. When the Laboratory is at maximum level, this icon is not shown.
    Icon HoHTapping this icon instantly upgrades the Laboratory to the next level, at the cost of one Hammer of Heroes if you have one. When the Laboratory is at maximum level, this icon is not shown.
    Icon FinishNowTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number of Gems.
    Icon FinishNowBoHTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Heroes. This icon is only shown if you have at least one Book of Heroes.
    Icon FinishNowBoETapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Heroes.
    Icon Builder PotionTapping this icon, which is displayed only while an upgrade is in progress, boosts all your Builders for 1 hour by a factor of ten, at the cost of one Builder Potion. This icon is only shown if you have at least one Builder Potion.
    Icon CancelTapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.
    Icon GuardTapping this icon puts the Laboratory to sleep. This icon only appears when the Laboratory is at full health and is in Guard mode.
    Icon SleepTapping this icon awakens the Laboratory, whom will then help guard your village. This icon only appears when the Laboratory is at full health and is in Sleep mode.
    Icon HealTapping this icon instantly heals the Laboratory for the displayed amount of Gems. This icon only appears when the Laboratory is currently regenerating health on the Altar.
    Icon Boost1hTapping this icon boosts the Laboratory's regeneration speed for 1 hour, reducing the time required to regenerate the Laboratory by a factor of four for the duration of the boost.
    Icon BoostAllPoTTapping this icon boosts your troop training, spell brewing and hero regeneration for 1 hour, reducing the time by a factor of four for the duration of the boost, at the cost of one Training Potion. This icon is only shown if you have at least one Training Potion.
    Icon Hero PotionTapping this icon temporarily boosts all your Heroes by 5 levels for 1 hour, bounded by your Town Hall and Builder Hall's limits, at the cost of one Hero Potion. This icon is only shown if you have at least one Hero Potion.
    Icon UpgradeTapping this icon begins upgrading the Laboratory to the next level, if you have enough resources and a free Builder. When the Laboratory is at maximum level, this icon is not shown.
    Icon HoHTapping this icon instantly upgrades the Laboratory to the next level, at the cost of one Hammer of Heroes if you have one. When the Laboratory is at maximum level, this icon is not shown.
    Icon FinishNowTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number of Gems.
    Icon FinishNowBoBTapping this icon, which is displayed only while the Battle Machine is being rebuilt, instantly finishes that upgrade at the cost of one Book of Building. This icon is only shown if you have at least one Book of Building.
    Icon FinishNowBoHTapping this icon, which is displayed only while the Battle Machine is being upgraded, instantly finishes that upgrade at the cost of one Book of Heroes. This icon is only shown if you have at least one Book of Heroes.
    Icon FinishNowBoETapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Building or Book of Heroes, where relevant.
    Icon CancelTapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.
    Icon HealTapping this icon instantly heals the Laboratory for the displayed amount of Gems. This icon only appears when the Laboratory is currently regenerating health on the Altar.
    Icon Hero PotionTapping this icon temporarily boosts all your Heroes by 5 levels for 1 hour, bounded by your Town Hall and Builder Hall's limits, at the cost of one Hero Potion. This icon is only shown if you have at least one Hero Potion.
    Icon RequestTroopsTapping this icon requests troops from your fellow clan members. It will appear if your Clan Castle is not already full and the timer since your last request has elapsed.
    Icon RequestNowTapping this icon requests troops from your clan members without waiting for the timer at the cost of the displayed number of Gems. It will appear if your Clan Castle is not already full and the timer since your last request is still counting down.
    Icon CastleFullThis icon informs you that your Clan Castle is full of troops and spells. It will replace both Request icons if the Clan Castle is full.
    Icon ClanTapping this icon displays information about the clan which the player owning the Clan Castle belongs to (this icon can appear when you are visiting another village). This icon only appears if the player owning the Clan Castle is in a Clan.
    Icon TreasuryTapping this icon displays information about your Treasury.
    Icon MagicItemsTapping this icon displays information about your inventory of Magic Items.
    Icon GuardTapping this icon puts the Laboratory to sleep, preventing any troops inside from guarding your village. This icon only appears when the Laboratory is in Guard mode.
    Icon SleepTapping this icon awakens the Laboratory , allowing any troops inside to help guard your village. This icon only appears when the Laboratory is in Sleep mode.
    Icon Wall RingTapping this icon upgrades the Wall to the next level, if you have enough Wall Rings and a free Builder. When the Wall is at maximum level, this icon is not shown.
    Icon SelectRowTapping this icon selects a row of Walls to move or rotate instead of a single Wall. The longest contiguous row of Walls will be selected.
    Icon RotateRowTapping this icon rotates the selected row of Walls. This icon is only displayed while you have multiple Walls selected.
    IconUpgradeRowTapping this icon upgrades all the upgradable Walls in the selected row to the next level, if you have enough resources and a free Builder. This icon is only displayed while you have multiple Walls selected.
    Icon RotateRowTapping this icon rotates the selected row of Walls.
    IconUpgradeRowTapping this icon upgrades the selected Walls to the next level, if you have enough resources and a free Master Builder. When the selected Walls are at maximum level, this icon is not shown.
    Icon Wall RingTapping this icon upgrades the selected Walls to the next level, if you have enough Wall Rings and a free Master Builder. When the selected Walls are at maximum level, this icon is not shown.
    Icon RotateTapping this icon rotates the Air Sweeper 45 degrees clockwise.
    Icon GearUpTapping this icon gears up the Laboratory, if you have upgraded it enough to do so, have enough resources and a free Master Builder. If any Laboratory is already geared up, this icon will not appear.
    Icon NoGearUpThis icon informs you that the Laboratory cannot be geared up because it is insufficiently upgraded. Tapping this icon will tell you the required level to gear up this Laboratory. If any Laboratory is already geared up, this icon will not appear.
    Icon NormalTapping this icon switches the Laboratory to Burst mode. This icon only appears when the Laboratory is geared up, and is in Normal mode.
    Icon BurstTapping this icon switches the Laboratory to Normal mode. This icon only appears when the Laboratory is geared up, and is in Burst mode.
    Icon LongRangeTapping this icon switches the Archer Tower to Fast Attack mode. This icon only appears when the Archer Tower is geared up, and is in Long Range mode.
    Icon FastAttackTapping this icon switches the Archer Tower to Long Range mode. This icon only appears when the Archer Tower is geared up, and is in Fast Attack mode.
    Icon LongRangeTapping this icon switches the Archer Tower to Fast Attack mode. This icon only appears when the Archer Tower is in Long Range mode.
    Icon FastAttackTapping this icon switches the Archer Tower to Long Range mode. This icon only appears when the Archer Tower is in Fast Attack mode.
    Icon RotateTapping this icon rotates the Push Trap 90 degrees clockwise.
    Icon LootCartTapping this icon collects the loot from the Loot Cart.
    Boat iconTapping this icon switches between the Home Village and the Builder Base.
    Icon FreeBoostTapping this icon boosts timers in the Builder Base, by a factor of eight for a duration determined by the level of the Clock Tower. This icon is only displayed when a free boost is available.
    Icon CTPTapping this icon boosts timers in the Builder Base, by a factor of eight for 30 minutes, at the cost of one Clock Tower Potion. This icon is only displayed if you have at least one Clock Tower Potion.
    Icon BoostNowTapping this icon allows you to boost the Clock Tower before its free boost is available, at the cost of the displayed amount of Gems. This icon is only displayed when the Clock Tower's free boost is in cooldown.
    Icon RemoveGoldTapping this icon removes this obstacle using Gold, if you have enough Gold and a free Builder. This icon only appears if the obstacle is in the Home Village and requires Gold to remove.
    Icon RemoveElixirTapping this icon removes this obstacle using Elixir, if you have enough Elixir and a free Builder. This icon only appears if the obstacle is in the Home Village and requires Elixir to remove.
    Icon RemoveGoldBTapping this icon removes this obstacle using Gold, if you have enough Gold and a free Master Builder. This icon only appears if the obstacle is in the Builder Base and requires Gold to remove.
    Icon RemoveElixirBTapping this icon removes this obstacle using Elixir, if you have enough Elixir and a free Master Builder. This icon only appears if the obstacle is in the Builder Base and requires Elixir to remove.
    Icon CancelTapping this icon, which is displayed while the selected obstacle is being removed, cancels the removal of this obstacle and refunds the full cost.
    Icon StashTapping this icon moves this Obstacle to another place, at the cost of one Shovel of Obstacles. This icon is only shown if you have at least one Shovel of Obstacles.
    Icon StashTapping this icon stashes the selected decoration in the shop, allowing you to place it again at a later time at no cost.
    Icon GoldHVTapping this icon completely fills the Gold Storages, at the cost of one Rune of Gold. This icon is only shown if you have at least one Rune of Gold.
    Icon GoldBBTapping this icon completely fills the Gold Storages, at the cost of one Rune of Builder Gold. This icon is only shown if you have at least one Rune of Builder Gold.
    Icon ElixirHVTapping this icon completely fills the Elixir Storages, at the cost of one Rune of Elixir. This icon is only shown if you have at least one Rune of Elixir.
    Icon ElixirBBTapping this icon completely fills the Elixir Storages, at the cost of one Rune of Builder Elixir. This icon is only shown if you have at least one Rune of Builder Elixir.
    Icon DarkElixirTapping this icon completely fills the Dark Elixir Storage, at the cost of one Rune of Dark Elixir. This icon is only shown if you have at least one Rune of Dark Elixir.
    Icon Builder PotionTapping this icon boosts all your Builders for 1 hour by a factor of ten, at the cost of one Builder Potion. This icon is only shown if you have at least one Builder Potion.
    Icon Boost1hTapping this icon boosts your siege machine training for 1 hour, reducing the time required to train Siege Machines by a factor of four for the duration of the boost.
    Icon BoostAllPoTTapping this icon boosts your siege machine training, spell brewing and hero regeneration for 1 hour, reducing the time by a factor of four for the duration of the boost, at the cost of one Training Potion. This icon is only shown if you have at least one Training Potion.
    Icon TrainTroopsTapping this icon opens up the siege machine training interface, allowing you to train Siege Machines.
    Town Hall Level 1 2 3 4 5 6 7 8 9 10 11 12
    Number Available 0 0 1 1 1 1 1 1 1 1 1 1
    Size Size
    4x4
    Level Hitpoints Build Cost Elixir Build Time Experience Gained XP Town Hall Level Required
    1 500 25,000 30m 42 3
    2 550 50,000 3h 103 4
    3 600 90,000 8h 169 5
    4 650 270,000 16h 240 6
    5 700 500,000 1d 8h 339 7
    6 750 1,000,000 2d 16h 480 8
    7 830 2,500,000 3d 8h 536 9
    8 950 4,000,000 4d 587 10
    9 1,070 6,000,000 6d 720 11
    10 1,140 8,000,000 8d 831 12

    Upgrade Chart

    The following charts lists the level of the Laboratory on the top and the unit/spell you can upgrade on the left. Each cell contains the level of the unit/spell you can train, how much it costs in elixir, and how long it takes. For example, Laboratory level 3 allows you to upgrade your Archers to level 3 for 250,000 Elixir and it takes 1 day. The top chart contains Elixir troop upgrades while the bottom chart contains Dark Elixir upgrades. Certain troops and spells don't have new levels unlocked at certain laboratory levels and are represented by ' - 's. For example, there's no new level of Goblin unlocked at Laboratory level 2, however you can upgrade it from level 1 to 2 with a level 2 (or higher) Laboratory if you didn't upgrade it when you had a level 1 Laboratory.

    Those indicated by *(italics) show that certain items do not need the Laboratory fully upgraded to gain in levels. Those items are accessible by a lower Laboratory once the Town Hall and any other upgrade criteria is met. For example, a level 1 Laboratory can upgrade the Lightning Spell once the other requirements of Town Hall 5 and Spell Factory (level 1) are met.

    Note that for the interest of keeping this table compact, abbreviations for costs and times are used. K and M stand for thousand and million, respectively. Upgrades taking a whole number of days and a half are written as X.5d instead of Xd 12h (for example, an upgrade time of 2d 12h is written as 2.5d).

    Elixir Elixir Elixir

    Upgrade Chart Laboratory Level
    1 2 3 4 5 6 7 8 9 10
    Barbarian Level 2 - 3 - 4 5 6 7 8 -
    Cost 50K - 150K - 500K 1.5M 4.5M 6M 8M -
    Time 6h - 1d - 2d 3.5d 4.5d 7.5d 10d -
    Archer Level 2 - 3 - 4 5 6 7 8 -
    Cost 50K - 250K - 750K 2.25M 6M 7.5M 9M -
    Time 12h - 1d - 2d 3.5d 4.5d 7.5d 10d -
    Giant Level - 2 - 3 4 5 6 7 8 9
    Cost - 100K - 250K 750K 2.25M 5M 6M 9.5M 12M
    Time - 12h - 1.5d 2d 3.5d 6.5d 8d 11.5d 14d
    Goblin Level 2 - 3 - 4 5 6 7 - -
    Cost 50K - 250K - 750K 2.25M 4.5M 6.75M - -
    Time 12h - 1.5d - 2d 3.5d 6.5d 10d - -
    Wall Breaker Level - 2 - 3 4 5 - 6 7 8
    Cost - 100K - 250K 750K 2M - 6M 9M 12M
    Time - 12h - 1.5d 2d 3.5d - 6.5d 8d 14d
    Balloon Level - 2 - 3 4 5 6 - 7 8
    Cost - 150K - 450K 1.35M 2.5M 6M - 9.5M 12M
    Time - 12h - 1.5d 2d 3.5d 6.5d - 11.5d 14d
    Wizard Level - - 2 3 4 5 6 7 8 9
    Cost - - 150K 450K 1.35M 2.5M 5M 7M 9M 11M
    Time - - 12h 1.5d 2d 3.5d 6d 8d 11.5d 14d
    Healer Level - - - - 2 3 4 - 5 -
    Cost - - - - 750K 1.5M 3M - 9.5M -
    Time - - - - 2d 3.5d 6d - 14d -
    Dragon Level - - - - 2 3 4 5 6 7
    Cost - - - - 2M 3M 5M 7M 9M 11M
    Time - - - - 4.5d 6d 6.5d 8d 11.5d 14d
    P.E.K.K.A Level - - - - - 2 / 3 4 5 / 6 7 8
    Cost - - - - - 3M / 5M 6M 7.5M / 8.5M 10M 12M
    Time - - - - - 4.5d / 5.5d 6d 7.5d / 8.5d 11.5d 14d
    Baby Dragon Level - - - - - - 2 3 / 4 5 6
    Cost - - - - - - 5M 6M / 7M 8M 9M
    Time - - - - - - 5.5d 6.5d / 8d 11.5d 14d
    Miner Level - - - - - - - 2 / 3 4 / 5 6
    Cost - - - - - - - 6M / 7M 8M / 9.5M 11M
    Time - - - - - - - 5.5d / 6.5d 8d / 11.5d 14d
    Electro Dragon Level - - - - - - - - 2 3
    Cost - - - - - - - - 9M 11M
    Time - - - - - - - - 10d 14d
    Lightning Spell Level *2 *3 4 - - 5 6 7 - -
    Cost *200K *500K 1M - - 2M 6M 8M - -
    Time *1d *2d 3d - - 4d 6.5d 14d - -
    Healing Spell Level - *2 - 3 4 5 6 7 - -
    Cost - *300K - 600K 1.2M 2M 4M 6M - -
    Time - *1d - 2d 3d 5d 7d 10d - -
    Rage Spell Level - - *2 *3 4 5 - - - -
    Cost - - *450K *900K 1.8M 3M - - - -
    Time - - *2d *3d 5d 7d - - - -
    Jump Spell Level - - - - *2 - - 3 - -
    Cost - - - - *3M - - 6M - -
    Time - - - - 5d - - 7d - -
    Freeze Spell Level - - - - - - - 2 / 3 /
    4 / 5     		6 7
    Cost - - - - - - - 3M / 4M /
    5M / 7M     		9.5M 11M
    Time - - - - - - - 3d / 4.5d /
    6.5d / 8d     		9d 11.5d
    Clone Spell Level - - - - - - - 2 / 3 4 / 5 -
    Cost - - - - - - - 4M / 6M 8M / 10M -
    Time - - - - - - - 4d / 5d 6.5d / 11.5d -
    Wall Wrecker Level - - - - - - - - - 2 / 3
    Cost - - - - - - - - - 6M / 8M
    Time - - - - - - - - - 8d / 10d
    Battle Blimp Level - - - - - - - - - 2 / 3
    Cost - - - - - - - - - 6M / 8M
    Time - - - - - - - - - 8d / 10d
    Stone Slammer Level - - - - - - - - - 2 / 3
    Cost - - - - - - - - - 6M / 8M
    Time - - - - - - - - - 8d / 10d

    Dark Elixir Dark Elixir Dark Elixir

     
    Upgrade Chart Laboratory Level
    5 6 7 8 9 10
    Minion Level 2 3 / 4 5 6 7 8
    Cost 10K 20K / 30K 40K 100K 140K 180K
    Time 3.5d 4d / 4.5d 6.5d 8d 11.5d 14d
    Hog Rider Level 2 3 / 4 5 6 7 8
    Cost 20K 30K / 40K 50K 100K 150K 200K
    Time 3.5d 4d / 5.5d 6.5d 8d 11.5d 14d
    Valkyrie Level - 2 3 / 4 5 6 7
    Cost - 50K 60K / 70K 110K 150K 190K
    Time - 5.5d 6.5d / 8d 9.5d 11.5d 14d
    Golem Level - 2 3 / 4 5 6 / 7 8
    Cost - 60K 70K / 80K 90K 150K / 200K 200K
    Time - 4d 5.5d / 6.5d 8d 9.5d / 11.5d 14d
    Witch Level - - 2 - 3 4
    Cost - - 75K - 160K 200K
    Time - - 6.5d - 11.5d 14d
    Lava Hound Level - - 2 3 4 5
    Cost - - 60K 70K 150K 200K
    Time - - 6.5d 8d 11.5d 14d
    Bowler Level - - - 2 3 4
    Cost - - - 120K 200K 200K
    Time - - - 8.5d 14d 14d
    Ice Golem Level - - - - 2 / 3 4
    Cost - - - - 80K / 120K 160K
    Time - - - - 8d / 10d 12d
    Poison Spell Level - 2 3 4 5 -
    Cost - 25K 50K 75K 150K -
    Time - 2.5d 4d 6.5d 9.5d -
    Earthquake Spell Level - 2 3 4 - -
    Cost - 30K 60K 90K - -
    Time - 4d 5d 9.5d - -
    Haste Spell Level - - 2 3 / 4 - -
    Cost - - 40K 80K / 100K - -
    Time - - 5d 6.5d / 9d - -
    Skeleton Spell Level - - - 2 / 3 4 5
    Cost - - - 50K / 75K 100K 125K
    Time - - - 5d / 6.5d 8d 9d
    Bat Spell Level - - - 2 / 3 4 5
    Cost - - - 60K / 80K 120K 160K
    Time - - - 5d / 6.5d 8d 9d

    For additional statistics and information, see the Unit Calculators page.

    Home Village Buildings
    Defensive Buildings Cannon • Archer Tower • Mortar • Air Defense • Wizard Tower • Air Sweeper • Hidden Tesla • Bomb Tower • X-Bow • Inferno Tower • Eagle Artillery • Giga Tesla • Walls

    Traps: Bomb • Spring Trap • Air Bomb • Giant Bomb • Seeking Air Mine • Skeleton Trap • Tornado Trap

    Resource Buildings Town Hall • Gold Mine • Elixir Collector • Dark Elixir Drill • Gold Storage • Elixir Storage • Dark Elixir Storage • Builder's Hut • Clan Castle (Treasury • Magic Items)
    Army Buildings Army Camp • Barracks • Dark Barracks • Laboratory • Spell Factory • Dark Spell Factory • Workshop • Barbarian King Altar • Archer Queen Altar • Grand Warden Altar
    Other Buildings Boat • Decorations • Obstacles • Loot Cart • Strongman's Caravan
Retrieved from "https://clashofclans.fandom.com/wiki/Laboratory?oldid=530981"