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Starlaboratory7

"The Star Laboratory searches the heavens for secrets to unlock a troop's full potential. Improve troop hitpoints, damage and housing space in addition to special troop abilities!"


StarLaboratory Ruin StarLaboratory1 StarLaboratory2 StarLaboratory3
Ruin Level 1 Level 2 Level 3
StarLaboratory4 StarLaboratory5 StarLaboratory6 Starlaboratory7
Level 4 Level 5 Level 6 Level 7

  • Summary
    • It resembles an observatory but functions like the Laboratory.
    • The Star Laboratory is unlocked at Builder Hall level two.
      • It is automatically upgraded to Level 1.
      • At Builder Hall level one, it is ruined.
    • Troops are upgraded using Builder Elixir. Doing so may improve their hitpoints, damage, their special ability, or the number of the same type of troop that is able to fit into one Army Camp.
      • All troops (except the Night Witch) unlock their special abilities at Level Two, the abilities improving as they are updated. The Night Witch unlocks her ability at Level four.

  • Upgrade Differences
    • Each time the Star Laboratory is upgraded (depending on what level) you can see Roman numerals (I-VI) in front that corresponds to the level of the Star Laboratory.
    • The star laboratory undergoes significant changes at on all of its levels.
      • At level 1, the Star Laboratory appears to be a building with a small telescope protruding through its top tied with ropes.
      • At level 2, the ladder is moved to the left side of the star laboratory with a ramp on the right.
      • At level 3, the telescope is longer and a ramp replacing the stairs on the left side. The door frames are also partially gold.
      • At level 4, the telescope is now golden along with the door frames and the ramp on the right side is replaced by a pressure gauge, similar to those on the Laboratory. The roman numerals also turn gold.
      • At level 5, the telescope becomes rotatable on top of the Star Laboratory using gears. The ramp on the left side turns into metal stairs.
      • At level 6, the telescopes aperture is larger and the type is changed with a refracted focal length, making the overall length shorter.
      • At level 7, a secondary, smaller telescope is added to the right of the primary.

  • Trivia
    • Like the Clock Tower, it has Roman numerals corresponding to its level.
    • The Star Laboratory is the Master Builder's favorite building. This is mentioned in the tutorial.
    • Unlike most other Builder Base buildings, the Star Laboratory takes up a 4x4 space.
    • All troops can be upgraded to level two without having to upgrade the Star Laboratory to match the Builder Hall level.
    • The Star Laboratory has the same research icon (with a sword and a spell bottle) as the Laboratory. However, the Builder Base has no spells.

  • Icon Descriptions
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Damage Per Second, Hitpoints, Range, Damage Type, Targets and Favorite Target.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Re-arm cost, Damage Type and Targets.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Damage Type and Targets.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Capacity, Production and Hitpoints.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Capacity, Production and Hitpoints.
    Icon InfoTapping this icon displays information about the Star 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 Star 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 Star Laboratory, such as Level, Training Capacity and Hitpoints.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level and Hitpoints.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level and Hitpoints.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Spell Capacity and Hitpoints.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Elixir Storage Capacity, Gold Storage Capacity and Hitpoints.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Troop Capacity, Hitpoints and Troops inside.
    Icon InfoTapping this icon displays information about the Wall, such as Hitpoints.
    Icon InfoTapping this icon displays information about the Wall, such as Hitpoints.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Damage per Second, Hitpoints, Regeneration Time and Ability Level.
    Icon InfoTapping this icon displays information about the Star Laboratory, such as Level, Damage per Second, Hitpoints, Regeneration Time and Ability Level.
    Icon UpgradeTapping this icon begins upgrading the Star Laboratory to the next level, if you have enough resources and a free Builder. When the Star 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 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 UpgradeTapping this icon begins upgrading the Star Laboratory to the next level, if you have enough resources and a free Master Builder. When the Star 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 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 Star Laboratory attack mode to attack air units. This icon is only displayed while the Star Laboratory is in Ground mode.
    Icon AirTapping this icon switches the Star Laboratory attack mode to attack ground units. This icon is only displayed while the Star Laboratory is in Air mode.
    Icon GroundTapping this icon switches the Star Laboratory to be deployed as an air unit. This icon is only displayed while the Star Laboratory is at full health and in Ground mode.
    Icon AirTapping this icon switches the Star Laboratory to be deployed as a ground unit. This icon is only displayed while the Star Laboratory is at full health and in Air mode.
    Icon ReArmTapping this icon re-arms this Star Laboratory. This icon is only displayed after this Star 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 Star Laboratorys for 1 day at the cost of the displayed amount of Gems.
    Icon CollectGoldTapping this icon collects the uncollected Gold from the Star Laboratory.
    Icon NoCollectGoldThis icon informs you that you don't have Gold to be collected from your Star 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 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 BrewSpellsTapping this icon opens up the Star Laboratory's interface, allowing you to brew spells.
    Icon GuardTapping this icon puts the Star Laboratory to sleep. This icon only appears when the Star Laboratory is at full health and is in Guard mode.
    Icon SleepTapping this icon awakens the Star Laboratory, whom will then help guard your village. This icon only appears when the Star Laboratory is at full health and is in Sleep mode.
    Icon HealTapping this icon instantly heals the Star Laboratory for the displayed amount of Gems. This icon only appears when the Star Laboratory is currently regenerating health on the Altar.
    Icon Boost1hTapping this icon boosts the Star Laboratory's regeneration speed for 1 hour, reducing the time required to regenerate the Star Laboratory by a factor of four for the duration of the boost.
    Icon HealTapping this icon instantly heals the Star Laboratory for the displayed amount of Gems. This icon only appears when the Star Laboratory is currently regenerating health on the Altar.
    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 your current clan.
    Icon TreasuryTapping this icon displays information about your Treasury.
    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, and if all the Walls selected are upgradable.
    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 RotateTapping this icon rotates the Air Sweeper 45 degrees clockwise.
    Icon GearUpTapping this icon gears up the Star Laboratory, if you have upgraded it enough to do so, have enough resources and a free Master Builder. If any Star Laboratory is already geared up, this icon will not appear.
    Icon NoGearUpThis icon informs you that the Star Laboratory cannot be geared up because it is insufficiently upgraded. Tapping this icon will tell you the required level to gear up this Star Laboratory. If any Star Laboratory is already geared up, this icon will not appear.
    Icon NormalTapping this icon switches the Star Laboratory to Burst mode. This icon only appears when the Star Laboratory is geared up, and is in Normal mode.
    Icon BurstTapping this icon switches the Star Laboratory to Normal mode. This icon only appears when the Star 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 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 SellTapping this icon sells the selected decoration for one-tenth of their price.
    Builder Hall Level 1 2 3 4 5 6 7
    Number Available 0 1 1 1 1 1 1
    Size Size
    4x4
    Level Hitpoints Build Cost ElixirB Build Time Experience Gained XP Builder Hall Level Required
    1 650 1,000 N/A N/A 2
    2 800 15,000 10 minutes 24 2
    3 960 50,000 30 minutes 42 3
    4 1,152 300,000 8 hours 169 4
    5 1,382 700,000 12 hours 207 5
    6 1,658 1,000,000 1 day 293 6
    7 1,990 2,000,000 2 days 415 7

    Max Troop Level by Star Laboratory Level

    The following chart lists the maximum troop level attainable at each Star Laboratory level.

    Troop Star Laboratory Level
    1 2 3 4 5 6 7
    Raged Barbarian 2468101214
    Sneaky Archer 2468101214
    Boxer Giant -248101214
    Beta Minion -248101214
    Bomber - -28101214
    Baby Dragon - -28101214
    Cannon Cart - - -2101214
    Night Witch - - - -21214
    Drop Ship - - - - -214

    Upgrade Chart

    The following charts lists the Star Laboratory level required, cost and time for each level of troop type.

    ElixirB Elixir ElixirB

    Star Lab level, Cost and Time Troop Level
    2 3 4 5 6 7 8 9 10 11 12 13 14
    Raged Barbarian
    Lab 1 2 2 3 3 4 4 5 5 6 6 7 7
    Cost 3.5k 6k 9k 50k 100k 300k 330k 700k 900k 1,000k 1,200k 2,000k 2,200k
    Time 30s 5m 15m 3h 6h 1d 1d 2d 2d 3d 3d 4d 4d
    Sneaky Archer
    Lab 1223344556677
    Cost 5k 8k 12k 60k 120k 320k 350k 800k 1,000k 1,100k 1,300k 2,100k 2,300k
    Time 3m10m30m4h6h1d1d2d2d3d3d4d4d
    Boxer Giant
    Lab 2 3 3 4 4 4 4 5 5 6 6 7 7
    Cost 20k40k60k300k320k340k380k1,000k1,200k1,300k1,500k2,300k2,500k
    Time 30m 1h 2h 12h 12h 1d 2d 2d 3d 3d 4d 5d 5d
    Beta Minion
    Lab 2334444556677
    Cost 50k 80k 120k 250k 280k 320k 360k 900k 1,100k 1,300k 1,500k 2,300k 2,500k
    Time 1h3h5h12h12h1d1d2d2d3d3d4d4d
    Bomber
    Lab 3 4 4 4 4 4 4 5 5 6 6 7 7
    Cost 150k200k250k280k320k340k360k900k1,000k1,200k1,400k2,200k2,400k
    Time 6h 8h 12h 12h 1d 1d 2d 2d 2d 3d 3d 4d 4d
    Baby Dragon
    Lab 3444444556677
    Time 200k 240k 280k 320k 360k 380k 400k 1,000k 1,200k 1,400k 1,600k 2,400k 2,600k
    Time 8h12h12h1d1d2d2d2d3d3d4d5d5d
    Cannon Cart
    Lab 4 5 5 5 5 5 5 5 5 6 6 7 7
    Cost 400k500k600k700k800k900k1,000k1,100k1,200k1,400k1,600k2,400k2,600k
    Time 12h 1d 1d 1d 1d 2d 2d 3d 3d 4d 4d 5d 5d
    Night Witch
    Lab 5666666666677
    Cost 600k 700k 800k 900k 1,000k 1,100k 1,200k 1,300k 1,400k 1,600k 1,800k 2,500k 2,700k
    Time 12h 1d 1d 1d 2d 2d 2d 3d 3d 4d 4d 5d 5d
    Drop Ship
    Lab 6 7 7 7 7 7 7 7 7 7 7 7 7
    Cost 1,100k1,200k1,300k1,400k1,500k1,600k1,700k1,800k2,000k2,200k2,400k2,600k2,800k
    Time 12h 12h 1d 1d 1d 2d 2d 2d 4d 4d 4d 5d 5d
    Builder Base Buildings
    Defensive Buildings CannonDouble CannonArcher TowerHidden TeslaFirecrackersCrusherGuard PostAir BombsMulti MortarRoasterGiant CannonMega TeslaWalls
    Traps: Push TrapSpring TrapMineMega Mine
    Resource Buildings Builder HallGold MineElixir CollectorGold StorageElixir StorageGem Mine
    Army Buildings Builder BarracksArmy CampStar LaboratoryBattle Machine Altar
    Other Buildings BoatDecorationsObstaclesClock Tower

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