Abyssus Forest

Abyssus Forest is a location in Final Fantasy Crystal Chronicles: Ring of Fates. Yuri, Chelinka, and Alhanalem first go to this area to investigate rumours of a Crystal aggravating monsters. It is here that the party meets Gnash.

Etymology
Abyssus is a Latin noun that means "deep" (from where the word "Abyss" comes). Thus, Abyss Forest means literally, "Deep Forest".