Olden Era Chthonic Home (Dungeon) — Cost & Requirements

Levels

Each level is built separately, on top of the one before

Level 1

Allows the recruitment of Hydras.

Cost

350010510

Requires

Level 2

Allows the recruitment of Chthonic Hydras and Infernal Hydras.

Cost

200010101075

Requires

Upgraded forms need the dwelling upgraded; growth is shared across the line

+2 per week

The game's own layout — this building is highlighted