NPCs composing that spawngroup :

plaguebone_skeleton (25%)

spurbone_skeleton (25%)

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

citymist_33, range=91 (11,-566,76)

greater_war_boned_skeleton (100%)

citymist_95, range=64 (136,-641,77)

citymist_99, range=27 (118,-566,75)

citymist_100, range=108 (-6,-564,76)

citymist_138, range=178 (64,-412,10)

citymist_158, range=133 (-1,-500,21)

citymist_161, range=60 (100,-647,23)

citymist_164, range=103 (14,-529,5)

a_haze_golem (33%)
a_haze_golem (34%)

citymist_166, range=128 (-15,-530,5)

#A_Mighty_Golem (10%)
a_vapor_golem (90%)

citymist_171, range=112 (100,-475,3)

a_haze_golem (33%)
a_haze_golem (34%)

citymist_174, range=154 (12,-714,5)

a_haze_golem (34%)
a_lost_one (33%)

citymist_175, range=168 (-12,-713,5)

a_haze_golem (33%)
a_haze_golem (34%)

citymist_176, range=49 (149,-596,3)

citymist_223157_takp_import_v0, range=196 (124,-392,255)

citymist_222977_takp_import_v0, range=179 (279,-604,77)

citymist_a_fog_golem15_takp_import_v0, range=70 (117,-655,76)

a_fog_golem (100%)

citymist_an_army_behemoth45_takp_import_v0, range=64 (136,-640,76)

citymist_222971_takp_import_v0, range=190 (198,-424,4)

citymist_greater_spurbone86_takp_import_v0, range=176 (171,-425,3)

greater_spurbone (50%)
greater_spurbone (50%)

citymist_222967_takp_import_v0, range=176 (172,-426,40)

citymist_222958_takp_import_v0, range=196 (-95,-566,23)

citymist_222956_takp_import_v0, range=21 (95,-566,23)

citymist_222955_takp_import_v0, range=59 (100,-646,23)

citymist_222957_takp_import_v0, range=104 (14,-528,4)