NPCs composing that spawngroup :

an_abandoned_sludgeworker (100%)

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

snlair60646, range=191 (124,259,-15)

snlair60647, range=89 (169,156,-15)

snlair60649, range=32 (219,127,-9)

snlair60650, range=44 (210,90,-15)

snlair60653, range=186 (169,-56,-15)

snlair60655, range=160 (408,115,-16)

snlair60661, range=177 (425,107,-16)

snlair_94519, range=160 (164,250,-15)