NPCs composing that spawngroup :

greater_spurbone (16%)

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

citymist_1, range=36 (-117,-416,76)

#A_Terror_Wraith (10%)
greater_war_boned_skeleton (90%)

citymist_76, range=97 (-150,-289,270)

a_wraith (25%)

citymist_77, range=52 (-175,-350,264)

citymist_78, range=37 (-114,-355,261)

citymist_79, range=44 (-146,-342,263)

gyrating_goo (50%)
gyrating_goo (50%)

citymist_97, range=80 (-96,-315,77)

citymist_98, range=64 (-117,-323,75)

citymist_101, range=75 (-120,-459,75)

citymist_108, range=92 (-202,-320,76)

citymist_140, range=34 (-134,-351,4)

plaguebone_skeleton (25%)

citymist_141, range=37 (-139,-422,5)

plaguebone_skeleton (25%)

citymist_153, range=53 (-97,-349,4)

a_haze_golem (33%)
a_lost_one (33%)

citymist_156, range=52 (-188,-395,4)

a_shadow (25%)
greater_spurbone (25%)

citymist_165, range=83 (-54,-400,10)

a_haze_golem (50%)
a_lost_one (50%)

citymista_War_Bone_Overlord00035094065, range=79 (-215,-374,20)

a_War_Bone_Overlord (10%)
greater_spurbone (90%)

citymist_spectral_courier0_takp_import_v0, range=32 (-135,-353,3)

citymist_223157_takp_import_v0, range=46 (-150,-341,263)

gyrating_goo (100%)
gyrating_goo (100%)

citymist_222977_takp_import_v0, range=92 (-201,-319,77)

citymist_223450_takp_import_v0, range=99 (-170,-292,76)

citymist_223158_takp_import_v0, range=77 (-115,-460,75)

gyrating_goo (50%)
gyrating_goo (50%)

citymist_222958_takp_import_v0, range=88 (-224,-374,5)

citymist_222956_takp_import_v0, range=48 (-144,-433,5)

citymist_222955_takp_import_v0, range=36 (-138,-421,5)