"This anti-air tower is deadly against flying enemies , but can't target foes on the ground . Place it wisely to cover as much airspace as possible."
| Level | Damage per second | Damage per attack | Hitpoints | Cost | Build time | Experience gained | Town hall level required |
|---|---|---|---|---|---|---|---|
| 1 | 80 | 80 | 800 | 22,000 | 1h | 60 | 4 |
| 2 | 110 | 110 | 850 | 90,000 | 2h | 84 | 4 |
| 3 | 140 | 140 | 900 | 210,000 | 6h | 146 | 5 |
| 4 | 160 | 160 | 950 | 500,000 | 12h | 207 | 6 |
| 5 | 190 | 190 | 1,000 | 800,000 | 18h | 254 | 7 |
| 6 | 230 | 230 | 1,050 | 1,000,000 | 1d | 293 | 8 |
| 7 | 280 | 280 | 1,100 | 1,750,000 | 2d | 415 | 9 |
| 8 | 320 | 320 | 1,210 | 2,300,000 | 2d 12h | 464 | 10 |
| 9 | 360 | 360 | 1,300 | 3,400,000 | 3d | 509 | 11 |
| 10 | 400 | 400 | 1,400 | 5,000,000 | 4d | 587 | 12 |
| 11 | 440 | 440 | 1,500 | 5,600,000 | 4d 12h | 623 | 13 |
| 12 | 500 | 500 | 1,650 | 6,500,000 | 5d | 657 | 14 |
| 13 | 540 | 540 | 1,750 | 8,000,000 | 6d | 720 | 15 |
| 14 | 600 | 600 | 1,850 | 9,000,000 | 6d 12h | 749 | 16 |
| 15 | 650 | 650 | 1,950 | 15,000,000 | 9d 12h | 905 | 17 |
| 16 | 700 | 700 | 2,000 | 26,000,000 | 13d 6h | 1,069 | 18 |
Tapping this icon displays information about the Air Defense, such as Level, Damage Per Second, Hitpoints, Range, Damage Type and Targets.
Tapping this icon begins upgrading the Air Defense to the next level, if you have enough resources and a freeBuilder(orB.O.B). When the Air Defense is at maximum level, this icon is not shown.
Tapping this icon instantly upgrades the Air Defense to the next level, at the cost of oneHammer of Buildingif you have one. When the Air Defense is at maximum level, or if theTown Hallrequirements for the next level are not met, this icon is not shown.
Tapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number ofGems.
Tapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of oneBook of Building. This icon is only shown if you have at least one Book of Building.
Tapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of oneBook of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Building.
Tapping this icon, which is displayed only while an upgrade is in progress, gives the player the option to assign aBuilder's Apprenticeto that Building. This icon only is only shown if you have unlocked Builder's Apprentice for 500Gems.
Tapping 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 oneBuilder Potion. This icon is only shown if you have at least one Builder Potion.
Tapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.