NPCs composing that spawngroup :

#Gilthanas_Norrathis (100%)

NPCs spawning around that spawngroup :
(Max range : 100)

necropolis_43, range=96 (1488,-56,-155)

necropolis_47, range=97 (1480,-64,-155)

necropolis_157, range=41 (1526,-96,-153)

Echoman_190133, range=65 (1586,-60,8)