So is named the unique ecosystem of the depths of Atys, which can be found in the Prime Roots or, in Rangers' country, when entering the Kitins' Lair of Almati Wood.
Amoeba, Bomton, Cocoa, Cokamool, Dziku, Fungao, Fyta, Jiang, Jibung, Lumindra, Ploomweed, Plumash, Plun, Rotoa[1], Soil of Prime Roots, Spone, Toopetz, Topha, Topil.
The Prime Roots are the refuge of the most singular fauna of Atys. The species have had to adapt to an ecosystem deprived of daylight and most of the species found there are also present on the bark surface but, paradoxically, they seem to be significantly more vigorous in this environment.