Istivin : City of Shadows.
Resembling a cross of a human face stretched over the upper both of a bloated tick, with legs tapering to needle points. The creatures “face” resembles its last victim, which howls and gibbers its hunger aloud. These plunge their legs into their victims skull and force them into madness and self-destruction.
The poor old Priest of Pelor succumbed to these creatures as evidenced by HIS old face on their backs.