Town Hall 4 offers upgrades across heroes, pets, equipment, buildings, troops, spells, and siege machines. Caps at TH4: Hero Hall 1, Laboratory 2, Pet House 0, Blacksmith 0.
Max Levels for Heroes at TH4
Hero levels are gated by the Hero Hall (max level 1 at Town Hall 4).
The Barbarian King can reach a maximum level of 1 (1 upgrade).
| Hero | Max Level | Number of Upgrades |
|---|---|---|
| Barbarian King | 1 | 1 |
Max Levels for Buildings
There are 14 upgradable buildings and traps at this level. See the table below for max levels and upgrade counts.
| Building | Max Level | Number of Upgrades |
|---|---|---|
| Hero Hall | 1 | 1 |
| Laboratory | 2 | 1 |
| Army Camp | 4 | 1 |
| Barracks | 6 | 1 |
| Clan Castle | 2 | 1 |
| Gold Storage | 8 | 2 |
| Elixir Storage | 8 | 2 |
| Gold Mine | 8 | 2 |
| Elixir Collector | 8 | 2 |
| Cannon | 5 | 1 |
| Archer Tower | 4 | 1 |
| Mortar | 2 | 1 |
| Air Defense | 2 | 2 |
| Wall | 4 | 1 |
Max Levels for Troops
Troop levels are gated by the Laboratory (max level 2 at Town Hall 4).
There are 3 upgradable troops at this level: Balloon, Giant, and Wall Breaker. See the table below for max levels and upgrade counts.
| Troop | Max Level | Number of Upgrades |
|---|---|---|
| Balloon | 2 | 1 |
| Giant | 2 | 1 |
| Wall Breaker | 2 | 1 |