100Gold to build
770Gold to level IV
4-5Damage at IV
AverageRange at IV
At level IV the tower menu offers three skills, each with three levels bought with gold during the battle. The Ultimate is not bought in battle: the last upgrade of the tower's tree in the Upgrades room switches it on for every tower of that type.
Tower facts
Tower type
Damage type
Unlock
Build cost
Cost to level IV
All skill levels
Ultimate
Selling
Same tower type
Royal Catapult
Artillery tower
Dwarven Culverin
Artillery tower
Ironbark Treant
Artillery tower
Levels
Alchemist Shack I
Build 100 goldDamage 1-2 true · Fire rate Average (0.94 s) · Range Average (160)
Alchemist Shack II
Upgrade 150 goldDamage 2-3 true · Fire rate Average (0.94 s) · Range Average (160)
Alchemist Shack III
Upgrade 220 goldDamage 3-4 true · Fire rate Average (0.94 s) · Range Average (160)
Alchemist Shack IV
Upgrade 300 goldDamage 4-5 true · Fire rate Average (0.94 s) · Range Average (160)
Skills
Sticky Spillage I
100 goldThe cauldron overflows and spills its contents, reducing the speed of affected enemies by 40% for 5 seconds.
Sticky Spillage II
100 goldThe cauldron overflows and spills its contents, reducing the speed of affected enemies by 55% for 6 seconds.
Sticky Spillage III
100 goldThe cauldron overflows and spills its contents, reducing the speed of affected enemies by 70% for 7 seconds.
Test Subject I
150 goldSummons an assistant that drinks a potion, transforming into a hulking menace. The unit has 150 HP and deals 16-24 true damage and it reappears 22 seconds after expiring.
Test Subject II
150 goldSummons an assistant that drinks a potion, transforming into a hulking menace. The unit has 180 HP and deals 32-48 true damage and it reappears 22 seconds after expiring.
Test Subject III
150 goldSummons an assistant that drinks a potion, transforming into a hulking menace. The unit has 210 HP and deals 64-96 true damage and it reappears 22 seconds after expiring.
Perfected Formula I
200 goldAdds 10-16 explosive damage on impact to the tower's basic attacks and increases damage over time to 5-7.
Perfected Formula II
200 goldAdds 28-46 explosive damage on impact to the tower's basic attacks and increases damage over time to 6-8.
Perfected Formula III
200 goldAdds 46-68 explosive damage on impact to the tower's basic attacks and increases damage over time to 7-9.
Ultimate
Magnum Opus
Ultimate Destruction: 5 pointsThrows a special flask that turns a number of enemies into gold statues that yield 15 extra gold when destroyed. The effect lasts for 15 seconds.
Upgrades room
Heavy Load
1 pointIncreases the area of artillery attacks by 10%.
Concentrated Fire
2 pointsIncreases artillery base damage by 10%.
Optimization
3 pointsIncreases artilleries' attack speed by 10%.
Shrapnel
3 pointsArtillery attacks now ignore 75% of enemies' armor. In battle, artillery's explosive damage then counts 75% of an enemy's armor instead of the usual 50%, so it deals less damage to armored enemies (see Damage and Armor).
Concussive Blast
3 pointsArtillery attacks stun enemies for a brief moment.
Deadly Precision
3 pointsIncreases artillery basic attack range by 10% and damage at the center by 15%.
Ultimate Destruction
5 pointsUnlocks Ultimate ability for all artillery towers.
Artillery tree in the Upgrades room
All 4 Artillery towers share these upgrades.