NPCs composing that spawngroup :

an_elemental_monstrosity (33%)

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

hole_11, range=63 (381,-129,-213)

hole_12, range=69 (372,-85,-212)

hole_14, range=99 (260,-211,-188)

hole_20, range=85 (246,-176,-210)

hole_110, range=55 (365,-159,-213)

hole_111, range=70 (362,-184,-212)

hole_112, range=59 (342,-183,-213)

a_ratman_warrior_189554, range=45 (359,-109,-211)

a_ratman_warrior_189555, range=69 (384,-108,-211)

hole_282499, range=88 (232,-148,-225)

va_hole_11, range=63 (381,-129,-213)

va_hole_12, range=69 (372,-85,-212)

va_hole_14, range=99 (260,-211,-188)

va_hole_20, range=85 (246,-176,-210)

va_hole_109, range=0 (318,-129,-213)

va_hole_110, range=55 (365,-159,-213)

va_hole_111, range=70 (362,-184,-212)

va_hole_112, range=59 (342,-183,-213)