ok yeah now I remember, the first dead died there.
Hey, what's been going on up at the surface... yeah... the quetzals are surround by Shadehounds--- their hellhounds but shadier and native to the forest.
Down below Binder identifies- Ruby, Quartz, Emerald and more. Even one which they had heard in myths and theories only-- Shadium. It seems to suck in all the light from the other gems.