Corralum

Corralum describes the gaps and hollows left within Jhoutaioan Coral. It is cause be a number of different factors depending on the region and species of Coral, but is typically the result of less dense species of Coral growing through dense species, then decaying and leaving behind hollow, wandering tubes.

Corralum is common, and frequently provides difficulties for civilizations living above it in the form of infrastructural weakness and being inviting for Rutas Olu to build their hives within.