The worgs in LBRS do not detect stealth.
Ghouls in Stratholme see through stealth. Wandering Eyes (Dire Maul North, Stratholme, the two outdoor glades with elite undeads) all see through stealth.
(Edited: oh yeah, and the Frenzies in the river in Zul'gurub)
Ghouls in Stratholme see through stealth. Wandering Eyes (Dire Maul North, Stratholme, the two outdoor glades with elite undeads) all see through stealth.
(Edited: oh yeah, and the Frenzies in the river in Zul'gurub)