NPCs composing that spawngroup :

a_haze_golem (50%)

a_lost_one (50%)

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

citymist_1, range=64 (-117,-416,76)

#A_Terror_Wraith (10%)
greater_war_boned_skeleton (90%)

citymist_78, range=75 (-114,-355,261)

citymist_82, range=73 (-37,-329,257)

citymist_97, range=94 (-96,-315,77)

citymist_98, range=99 (-117,-323,75)

citymist_101, range=88 (-120,-459,75)

citymist_139, range=83 (-136,-385,4)

a_shadow (16%)
greater_spurbone (16%)

citymist_140, range=93 (-134,-351,4)

plaguebone_skeleton (25%)

citymist_141, range=87 (-139,-422,5)

plaguebone_skeleton (20%)

citymist_152, range=94 (-100,-483,4)

citymist_153, range=66 (-97,-349,4)

a_haze_golem (33%)
a_lost_one (33%)

citymist_154, range=55 (0,-387,10)

a_haze_golem (50%)