NPCs composing that spawngroup :

a_Nihil_arcanist`s_spirit (100%)

NPCs spawning around that spawngroup :
(Max range : 200)

snpool60921, range=90 (325,-848,-59)

snpool60922, range=38 (427,-812,-57)

snpool60926, range=51 (463,-830,-62)

snpool60927, range=60 (474,-836,-60)

snpool60940, range=147 (562,-866,-69)

snpool60954, range=198 (299,-1010,-65)

snpool60955, range=197 (610,-881,-73)

snpool60960, range=168 (352,-1005,-63)