NPCs composing that spawngroup :

a_destroyed_construct (100%)

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

hole_32, range=63 (307,421,-331)

hole_53, range=87 (262,373,-346)

hole_115, range=85 (325,292,-345)

hole_191, range=90 (291,443,-332)

hole_193, range=28 (321,367,-332)

hole_202, range=57 (292,376,-332)

hole_215, range=97 (335,471,-332)

hole_216, range=61 (318,427,-332)

a_flighty_fiend_189562, range=99 (292,455,-332)

a_rock_golem_189639, range=97 (252,370,-346)

va_hole_53, range=87 (262,373,-346)

va_hole_115, range=85 (325,292,-345)

va_hole_191, range=90 (291,443,-332)

va_hole_193, range=28 (321,367,-332)

va_hole_202, range=57 (292,376,-332)

va_a_rock_golem_189639, range=97 (252,370,-346)