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Mega Mine9 Ground

"A hidden dose of heavy destruction. Choose air or ground!"





Mega Mine1 Ground Mega Mine2 Ground Mega Mine3 Ground Mega Mine4 Ground Mega Mine5 Ground
Level 1 Level 2 Level 3 Level 4 Level 5
Mega Mine6 Ground Mega Mine7 Ground Mega Mine8 Ground Mega Mine9 Ground
Level 6 Level 7 Level 8 Level 9
Mega Mine1 Air Mega Mine2 Air Mega Mine3 Air Mega Mine4 Air Mega Mine5 Air
Level 1 Level 2 Level 3 Level 4 Level 5
Mega Mine6 Air Mega Mine7 Air Mega Mine8 Air Mega Mine9 Air
Level 6 Level 7 Level 8 Level 9

  • Summary
    • The Mega Mine is a trap in Builder Base, unlocked at Builder Hall level 4.
    • The Mega Mine functions similarly to the Giant Bomb in the Home Village, however, it can be set to target either ground or air and has a larger explosion radius.
    • The Mega Mine resembles a regular Mine of equal level but is much larger and has two chains holding it to the ground instead of one, when set to air mode.
    • It deals a lot of damage blowing up and can kill Raged Barbarians, Sneaky Archers, Bombers, it can kill Beta Minions easily if it is set to air. They can also cripple Baby Dragons.

  • Defensive Strategies
    • Because of its high damage, it is recommended to place it inside the base to deal heavy damage to tanks as it can be triggered by a small unit when outside.
    • Setting it to air allows it to deal heavy damage to Baby Dragon or hordes of Beta Minions and is best used to protect a Firecrackers and Air Bombs from Baby Dragons and Beta Minions.
    • Mega Mines will do great damage to Night Witches, if not instantly kill them (the latter is true if the Mega Mine is at least half the level of the Witches, except if the Witches are level 18), a simple but risky strategy to defend against Night Witches involves placing a Mega Mine in a corner of the map where attackers are likely to place Night Witches (to stack up bats). If the attacker fails to check for traps, the Mega Mine will destroy most if not all of the attacker's Night Witches which will undoubtedly ruin their attack. However, most Night Witch users would always put the Battle Machine first to check for it.
    • It may be beneficial to set the Mega Mine to ground in Night Witch-dominant trophy ranges, and set normal Mines to air instead.
  • Offensive Strategies
    • Make sure to check for traps when going against the Mega Mine. Use an expendable troop or a high hit-point troop to activate it first. The Battle Machine can do this job as well; its ability (if unlocked) can regenerate the health it loses from the trap.
      • You can activate a Mega Mine over a wall by placing a troop in its trigger radius. This can be very effective if your opponent has a Mega Mine inside their base.
    • Keep in mind that the Mega Mine has a bigger damage radius than trigger radius, allowing it to damage units farther away from the unit that triggered it.
    • See if your opponent has any empty 2 by 2 space in their base, as it can potentially be a Mega Mine or a Hidden Tesla.

  • Upgrade Differences
    • The Mega Mine undergoes significant visual changes at level 4, 7, and 9.
    • When initially built, the Mega Mine is a large wooden barrel with ropes strapped around it to hold it together. A red fuse connects a yellow square timer located on the side of the barrel to the head. Periodically, the timer rotates 90° clockwise. If the Mega Mine is set to air, chains can be seen suspending the barrel in midair.
    • At level 2, the ropes are replaced by steel reinforcements that are fixed to the barrel with nails.
    • At level 3, the barrel is painted red.
    • At level 4, the wooden barrel is replaced by a red metallic sphere with various steel parts, including a band of steel around its equator, reinforcements supporting the band, as well as a gray metallic pressure plate on the poles and nails around it.
    • At level 5, the square timer disappears, and more metal pressure plates are added above and below the equator of the sphere.
    • At level 6, large metal spikes are added to the smaller pressure plates.
    • At level 7, the spikes are removed, and the mine gains a black paint job with a white painted skull, and a reinforcement is removed to reserve space for the skull painting. The pressure plates disappear and the mine is slightly rotated clockwise.
    • At level 8, the spikes are added again to the main body.
    • At level 9, the mine returns to cylindrical as the sides of the cylinder are reinforced with thick metal rings supported by nails. The area surrounding the large pressure plates open up, revealing a glowing, yellow interior. The skull painting is angled much higher than previously.
    • When set to air mode, the Mega Mine will appear to float, supported by two metal chains.

  • Trivia
    • The Mega Mine does the most damage out of all damaging Builder Base traps.
    • One Mega Mine and a cluster of four Mines take up the same space and do equal damage at equal levels (up to level 8). However, the mines have a bigger damage radius altogether.

  • Icon Descriptions
    Icon InfoTapping this icon displays information about the Mega Mine, such as Level, Damage Type and Targets.
    Icon UpgradeTapping this icon begins upgrading the Mega Mine to the next level, if you have enough resources and a free Master Builder or O.T.T.O. When the Mega Mine is at maximum level, this icon is not shown.
    Icon HoBTapping this icon instantly upgrades the Mega Mine to the next level, at the cost of one Hammer of Building if you have one. When the Mega Mine 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 GroundThis icon indicates that the Mega Mine is currently set to Ground mode, to attack ground units. Tapping this icon switches the Mega Mine attack mode to attack air units. This icon is only displayed while the Mega Mine is in Ground mode.
    Icon AirThis icon indicates that the Mega Mine is currently set to Air mode, to attack air units. Tapping this icon switches the Mega Mine attack mode to attack ground units. This icon is only displayed while the Mega Mine is in Air mode.
Builder Hall Level 1 2 3 4 5 6 7 8 9
Number Available 0 0 0 1 1 2 2 3 4
Size Size
2x2
Level
Level
Damage
Damage
Cost
GoldB
Build Time
Stopwatch
Experience Gained
XP
Builder Hall Level Required
Builder Hall9
1 200 30,000 N/A N/A 4
2 220 40,000 1h 60 4
3 244 50,000 3h 103 4
4 268 80,000 6h 146 4
5 296 120,000 8h 169 5
6 324 300,000 10h 189 6
7 356 600,000 12h 207 7
8 392 1,000,000 1d 293 8
9 431 1,400,000 1d 12h 360 9
Trigger Radius Damage Radius Damage Type
3 tiles 4 tiles Area Splash
Builder Base Buildings
Defensive Buildings CannonDouble CannonArcher TowerHidden TeslaFirecrackersCrusherGuard PostAir BombsMulti MortarRoasterGiant CannonMega TeslaLava LauncherWalls
Traps: Push TrapSpring TrapMineMega Mine
Resource Buildings Builder Hall (Magic Items) • Gold MineElixir CollectorGold StorageElixir StorageGem MineO.T.T.O Hut
Army Buildings Builder BarracksArmy CampStar LaboratoryBattle Machine Altar
Other Buildings BoatDecorationsObstaclesClock Tower
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