ToxicBasilisk's Lair

Past guards' barracks lies an elaborate system of caves and passages, often referred to as research station. Sun leaks trough cracked ceiling on upper levels, allowing Magdalena to grow some scarce greenery. Middle levels have small pools of contaminated water, providing Moonlight with means to create their concoctions. While lower levels are partially flooded with underground waters, they are ideal for Greta, her Furnace and other inventors of different kinds.