A lab and stone upgrade that increases Golden Tower’s duration.
| ‣ | Type | Common | Rare | Epic | Legendary | Mythic | Ancestral |
|---|---|---|---|---|---|---|---|
| Golden Tower Duration substat | ‣ | n/a | n/a | n/a | 2s | 4s | 7s |
https://the-tower-idle-tower-defense.fandom.com/wiki/Lab/Golden_Tower_Duration#Golden_Tower_Duration