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For the Home Village version, see Mortar.
For the Clan Capital version, see Multi Mortar/Clan Capital.
Multi Mortar10
"Fires long range splash damage multiple times to maximize chances of hitting its target!"

Multi Mortar1
Level 1
Multi Mortar2
Level 2
Multi Mortar3
Level 3
Multi Mortar4
Level 4
Multi Mortar5
Level 5
Multi Mortar6
Level 6
Multi Mortar7
Level 7
Multi Mortar8
Level 8
Multi Mortar9
Level 9
Multi Mortar10
Level 10

Summary

  • The Multi Mortar is a defensive building on the Builder Base that shoots splash-damaging Mortar shells at ground units, shooting three to five per blast based on its level. It is unlocked at Builder Hall level 5.
  • The Multi Mortar shells do low damage by themselves, but medium damage altogether. Additionally, the shells themselves have a fairly large splash radius.
  • The Multi Mortar has a large range, but cannot hit troops which are too close to itself.
  • The Master Builder can gear up a Mortar in your Home Village that is level 8 or higher (which requires Town Hall level 10) to make it fire in bursts similar to the Multi Mortar. To do so, the Multi Mortar needs to be level 8 or higher in the Builder Base, which requires Builder Hall 8.

Strategies

Defensive Strategy

  • Place the Multi Mortar at the center of the base to cover as much area as possible and to slow troops from getting too close to it.
    • You can use the Multi Mortar's inability to hit nearby units to your advantage, as the Multi Mortar will target support units, such as the Sneaky Archers, Cannon Carts, and Night Witches behind the tanks, in order to defeat them.
  • The Multi Mortar's splash damaging shells makes it good at taking down hordes of low-hitpoint troops, but can be easily distracted by high-hitpoint troops. In particular, they work very well against Sneaky Archers and Skeletons dropped by the Drop Ship, but can also deal good damage to Raged Barbarians, Night Witches and Cannon Carts.
  • Because of its inability to hit nearby troops, it can be good to place the Crusher near it, as it is another area damage defense that deals high damage. However, the Crusher cannot fully cover the blind spot of the Multi Mortar due to its extremely short range. In addition, neither can attack air troops, so that should also be kept in mind when building a layout.
  • The Multi Mortar can stop Bombers from doing too much damage to your base. At relative level, where the Bomber is twice or less than the level of the Multi Mortar, a volley of 4 shots can destroy a Bomber.

Offensive Strategy

  • Air units are a good option, as the Multi Mortar cannot hit them.
    • Drop Ships cannot be attacked by the Multi Mortar, but its Skeletons can be easily wiped out by it, unless they get too close.
  • Use tanks such as Boxer Giants or the Battle Machine to distract the Multi Mortar while you swarm the base. Take care that they do not all enter the Multi Mortar's blind spot, otherwise, it will retarget.
  • Try to get near it, as it cannot hit troops close to it.
  • Try to spread out your troops, so the Multi Mortar cannot hit all of them at once. For example, if you deploy Raged Barbarians at one point the Barbarian's health will often be reduced, killing them. Spreading them makes the Multi Mortar lock on 1 Barbarian before locking on another troop.

Upgrade Differences

  • The Multi Mortar undergoes significant visual changes at all levels.
  • When initially constructed, the Multi Mortar appears as three small mortar barrels tied together, sticking out of a wooden structure that is also reinforced with ropes.
  • At level 2, a fourth barrel is added. The wooden structure elevates slightly and loses its ropes.
  • At level 3, the rope holding the barrels together is replaced by a metal band with a copper bolt, and the barrels themselves become thinner and larger. The structure gains additional reinforcing planks.
  • At level 4, the barrels become properly aligned, larger, and gain a copper band around the midsection. The corners of the structure are now secured by riveted copper reinforcing planks and the planks are now flat to the ground.
  • At level 5, the barrels' copper band is replaced with gray metal with a brass rim, the bolt on the metal band is bigger and also gray. The corners are now secured by a gray metal and a stone foundation is also added below the wooden structure.
  • At level 6, large cogs are put on the bolts on the metal band. The rivets on the corners are replaced with metal handles. The shell also changes to a dark stone.
  • At level 7, the barrels become slightly larger and the band around them is replaced with brass, the gears on both sides turn into brass, and the bolt holding them in place protrudes out. The handles on the corners is replaced with riveted brass plates and the stone foundation and wooden structure is slightly taller.
  • At level 8, the metal band securing the barrels also turns into brass and the bolt use a whiter metal. The rivets revert to becoming brass handles but the plates is replaced with a solid block of brass as its corner. The stone foundation is replaced by a metal one and is slightly taller.
  • At level 9, all the brass details of the previous level are replaced by golden details. The gear on the metal band is now thicker and screwed in with a nut, the metal rivets on the band is now also golden. The handles on the corners are replaced by hexagonal bolts and they slope down and curves a bit instead of being flat. Additionally, the sides of the Mortar gain a dark brown metal plating.
  • At level 10, a fifth barrel is added. There is no more gap between each barrel, it is one solid piece of metal holding them together, the gear's nut is made out of the dark brown metal and the rivets on the side of the metal piece are now hexagonal bolts.

Statistics

Number Available Builder Hall Level
1 2 3 4 5 6 7 8 9 10
Total 0 0 0 0 1 1 1 1 1 1
Size Size
3x3
Level
Level
Damage per Second*
Damage
Burst Fire (Shots)
Damage
Damage per Hit
Damage
Hitpoints
Hitpoints
Build Cost
Builder Gold
Build Time
Time
Experience Gained
Experience
Builder Hall Level Required
Builder Hall
1 20 3 45 500 600,000 8h 169 5
2 25 4 45 575 700,000 12h 207 5
3 28 4 50 660 800,000 1d 293 5
4 31 4 55 760 1,000,000 2d 415 5
5 34 4 60 875 1,200,000 3d 509 5
6 37 4 66 1,050 1,600,000 5d 657 6
7 41 4 73 1,250 2,500,000 7d 777 7
8 45 4 80 1,450 3,500,000 9d 881 8
9 49 4 88 1,650 4,500,000 11d 974 9
10 58 5 88 1,850 5,500,000 12d 1,018 10
Range
Range
Time Between Bursts
Attack Speed
Damage Type
Damage Type
Unit Type Targeted
Favorite Target
4-11 5s Splash - 3 tiles Ground

*These damage per second values are seen in-game and are approximations; it does not necessarily do this much DPS if it cannot utilise the full potential of its bursts.

Icon Descriptions

Icon InfoTapping this icon displays information about the Multi Mortar, such as Level, Damage Per Second, Hitpoints, Range, Damage Type and Targets.
Icon UpgradeTapping this icon begins upgrading the Multi Mortar to the next level, if you have enough resources and a free Master Builder or O.T.T.O. When the Multi Mortar is at maximum level, this icon is not shown.
Icon HoBTapping this icon instantly upgrades the Multi Mortar to the next level, at the cost of one Hammer of Building if you have one. When the Multi Mortar is at maximum level, or the Builder Hall requirements for the next level are not met, 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.

History

Patch Description
May 22, 2017 Added the Multi Mortar, with 5 levels.
Multi Mortar1Multi Mortar2Multi Mortar3Multi Mortar4Multi Mortar5
June 27, 2017 Added Multi Mortar level 6. Multi Mortar6
September 27, 2017 Added Multi Mortar level 7. Multi Mortar7
March 5, 2018 Added Multi Mortar level 8. Multi Mortar8
June 18, 2019 Added Multi Mortar level 9. Multi Mortar9
May 15, 2023
  • Added Multi Mortar level 10.Multi Mortar10
  • Burst Fire amount can be increased with upgrades.
    • Level 1: 4 -> 3 Damage
  • Increased damage at all levels.
    • Level 1: 25 -> 45 Damage
    • Level 2: 28 -> 45 Damage
    • Level 3: 31 -> 50 Damage
    • Level 4: 34 -> 55 Damage
    • Level 5: 37 -> 60 Damage
    • Level 6: 41 -> 66 Damage
    • Level 7: 45 -> 73 Damage
    • Level 8: 50 -> 80 Damage
    • Level 9: 55 -> 88 Damage
  • Hitpoints are adjusted at level 3, 5-9.
    • Level 3: 661 -> 660 Hitpoints
    • Level 5: 874 -> 875 Hitpoints
    • Level 6: 1,005 -> 1,050 Hitpoints
    • Level 7: 1,156 -> 1,250 Hitpoints
    • Level 8: 1,329 -> 1,450 Hitpoints
    • Level 9: 1,395 -> 1,650 Hitpoints
  • Decreased range from 4-13 to 4-11 tiles. Range
  • Decreased build times at level 6-9.
    • Level 6: 3d -> 2d Time
    • Level 7: 4d -> 3d Time
    • Level 8: 5d -> 4d Time
    • Level 9: 6d -> 5d Time

Trivia

  • Multi Mortar at level 1 used to fire four shots per burst even though it appears to have three barrels, likely because it established consistency with other levels. It has been changed in the Builder Base 2.0 update.
    • The corresponding change was not applied to the level 1 Multi Mortar in the Clan Capital, despite it also having only three barrels.
  • The Multi Mortar is the only defensive building in the Builder Base that has a unique sound effect when tapped or placed.
Builder Base Buildings
Defensive Buildings CannonDouble CannonArcher TowerHidden TeslaFirecrackersCrusherGuard PostAir BombsMulti MortarO.T.T.O's Outpost (Zappy) • RoasterGiant CannonMega TeslaLava LauncherX-BowWalls
Traps: Push TrapSpring TrapMineMega Mine
Resource Buildings Builder Hall (Magic Items) • Gold MineElixir CollectorGold StorageElixir StorageGem MineB.O.B Control
Army Buildings Builder BarracksArmy CampStar LaboratoryBattle Machine AltarReinforcement CampHealing HutBattle Copter Altar
Other Buildings BoatDecorationsObstaclesClock TowerElixir Cart
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