A lab and stone upgrade that increases Golden Tower’s cash and coin bonus from enemy kills while it is active.
| ‣ | Type | Common | Rare | Epic | Legendary | Mythic | Ancestral |
|---|---|---|---|---|---|---|---|
| Golden Tower Bonus substat | ‣ | n/a | n/a | 1 | 2 | 3 | 4 |
https://the-tower-idle-tower-defense.fandom.com/wiki/Lab/Golden_Tower_Bonus#Golden_Tower_Bonus