NPCs composing that spawngroup :

Corpse_Caller (100%)

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

shadowrest1870000, range=60 (103,-21,24)

shadowrest1870001, range=42 (146,-21,24)

shadowrest1870003, range=43 (103,-64,24)

shadowrest1870004, range=87 (142,24,-28)