Builder Hall 6 upgrades cover heroes, buildings, traps, and troops. Star Laboratory max level at BH6: 6.
Max Levels for Heroes at BH6
The Battle Machine can reach a maximum level of 10 (5 upgrades).
| Hero | Max Level | Number of Upgrades |
|---|---|---|
| Battle Machine | 10 | 5 |
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 | 6 | 1 |
| Archer Tower | 6 | 1 |
| Builder Barracks | 8 | 1 |
| Cannon | 6 | 1 |
| Clock Tower | 6 | 1 |
| Crusher | 6 | 1 |
| Double Cannon | 6 | 1 |
| Elixir Collector | 6 | 1 |
| Elixir Storage | 6 | 1 |
| Firecrackers | 6 | 1 |
| Gem Mine | 6 | 1 |
| Gold Mine | 6 | 1 |
| Gold Storage | 6 | 1 |
| Guard Post | 6 | 1 |
| Healing Hut | 2 | 2 |
| Hidden Tesla | 6 | 1 |
| Mega Mine | 6 | 1 |
| Mine | 6 | 1 |
| Multi Mortar | 6 | 1 |
| O.T.T.O's Outpost | 6 | 6 |
| Push Trap | 6 | 1 |
| Roaster | 6 | 6 |
| Spring Trap | 3 | 1 |
| Star Laboratory | 6 | 1 |
| Wall | 6 | 1 |
Max Levels for Troops
Builder Base troop levels are gated by the Star Laboratory (max level 6 at BH6).
There are 8 upgradable troops at this level. See the table below for max levels and upgrade counts.
| Troop | Max Level | Number of Upgrades |
|---|---|---|
| Baby Dragon | 12 | 2 |
| Beta Minion | 12 | 2 |
| Bomber | 12 | 2 |
| Boxer Giant | 12 | 2 |
| Cannon Cart | 12 | 2 |
| Night Witch | 12 | 11 |
| Raged Barbarian | 12 | 2 |
| Sneaky Archer | 12 | 2 |