Defense Units are a balancing game mechanic that allow only a certain number of defenses to be placed on a given map.
¶ Display
¶ Maps
In maps, the number of Defense Units available are indicated by a number next to the rook icon. The number indicates Defense Units Remaining/Total Defense Units Available.
If you attempt to place a defense that would increase the amount of used Defense Units on a map beyond it's maximum, a message reading "Insufficient Defense Units" will be displayed on your screen. The defense will have a red coloring indicating that it cannot be placed.
¶ Defenses
When placing or inspecting defenses, the number of Defense Units that are used/required are indicated by a number next to the rook icon.
¶ Reference table
The table below lists the Defense Units of all maps.
| Act | Map name | Defense Units |
|---|---|---|
| 1 | The Deeper Well | 60 |
| 1 | Ancient Mines | 80 |
| 1 | Lava Mines | 90 |
| 1 | Alchemical Labs | 85 |
| 1 (encore) | Magus Quarters | 90 |
| 2 | Tornado Valley | 85 |
| 2 | Tornado Highlands | 90 |
| 2 | The Ramparts | 100 |
| 2 | The Throne Room | 100 |
| 2 (encore) | Endless Spires | 100 |
| 3 | Arcane Library | 110 |
| 3 | Royal Gardens | 130 |
| 3 | The Promenade | 125 |
| 3 | The Summit | 150 |
| 3 (encore) | Glitterhelm Caverns | 165 |
| 4 | The Mill | 80 |
| 4 | The Outpost | 140 |
| 4 | The Keep | 145 |
| 4 (encore) | Foundries and Forges | 80 |
| 5 | The Bazaar | 100 |
| 5 | The Lost Metropolis | 130 |
| Bonus | Yuletide Village | 120 |
¶ Trivia
The Tavern has a limit of 999 Defense Units, allowing players to experiment with different defense builds without limit or restriction.