Builder Hall 7 upgrades cover heroes, buildings, traps, and troops. Star Laboratory max level at BH7: 7.
Max Levels for Heroes at BH7
The Battle Machine can reach a maximum level of 20 (10 upgrades).
| Hero | Max Level | Number of Upgrades |
|---|---|---|
| Battle Machine | 20 | 10 |
Max Levels for Buildings
There are 25 upgradable buildings and traps at this level. See the table below for max levels and upgrade counts.
| Building | Max Level | Number of Upgrades |
|---|---|---|
| Air Bombs | 7 | 1 |
| Archer Tower | 7 | 1 |
| Builder Barracks | 9 | 1 |
| Cannon | 7 | 1 |
| Clock Tower | 7 | 1 |
| Crusher | 7 | 1 |
| Double Cannon | 7 | 1 |
| Elixir Collector | 7 | 1 |
| Elixir Storage | 7 | 1 |
| Firecrackers | 7 | 1 |
| Gem Mine | 7 | 1 |
| Giant Cannon | 7 | 7 |
| Gold Mine | 7 | 1 |
| Gold Storage | 7 | 1 |
| Guard Post | 7 | 1 |
| Healing Hut | 3 | 1 |
| Hidden Tesla | 7 | 1 |
| Mega Mine | 7 | 1 |
| Mine | 7 | 1 |
| Multi Mortar | 7 | 1 |
| O.T.T.O's Outpost | 7 | 1 |
| Push Trap | 7 | 1 |
| Roaster | 7 | 1 |
| Star Laboratory | 7 | 1 |
| Wall | 7 | 1 |
Max Levels for Troops
Builder Base troop levels are gated by the Star Laboratory (max level 7 at BH7).
There are 9 upgradable troops at this level. See the table below for max levels and upgrade counts.
| Troop | Max Level | Number of Upgrades |
|---|---|---|
| Baby Dragon | 14 | 2 |
| Beta Minion | 14 | 2 |
| Bomber | 14 | 2 |
| Boxer Giant | 14 | 2 |
| Cannon Cart | 14 | 2 |
| Drop Ship | 14 | 13 |
| Night Witch | 14 | 2 |
| Raged Barbarian | 14 | 2 |
| Sneaky Archer | 14 | 2 |