any medium petitioner 

The untethered appear as astrally projected versions of their mortal forms, yet they lack a silver cord.

Perception +7; darkvision

Languages any one spoken in life (such as common)

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, fly 20 feet

Melee [>] fist +7, Damage 1d8+2 bludgeoning

Bestiary 2, page 198.