ce medium petitioner 

The caged are sent to Vroustiam's prison plane, the Dead Vault; they appear as chained versions of their mortal bodies, save that their faces are hideous insectile visages.

Perception +7; darkvision

Languages Abyssal

Skills Athletics +7, Planar Lore +7

Str +2 Dex +2 Con +2 Int +2 Wis +2 Cha +2

AC  15; Fort +7, Ref +7, Will +7

HP 22

Speed 25 feet

Melee [>] bite +7, Damage 1d8+2 piercing

Rend [>] bite

Bestiary 2, page 198.