NPCs composing that spawngroup :

a_phantom (25%)

a_phantom (25%)

a_vapor_golem (50%)

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

citymist_6, range=77 (-241,422,4)

a_phantom (25%)
greater_war_boned_skeleton (25%)

citymist_7, range=90 (-261,255,40)

a_deranged_madman (50%)
greater_war_boned_skeleton (50%)

citymist_20, range=186 (-183,169,3)

citymist_21, range=68 (-177,353,-7)

citymist_24, range=118 (-237,226,3)

a_raving_lunatic (50%)
a_savage_mutant (50%)

citymist_28, range=138 (-183,221,3)

a_raving_lunatic (100%)

citymist_29, range=1 (-246,345,-7)

citymist_32, range=193 (-222,153,4)

citymist_34, range=79 (-217,419,-7)

citymist_111, range=119 (-262,227,39)

citymist_112, range=164 (-97,417,5)

citymist_223157_takp_import_v0, range=96 (-244,441,3)

gyrating_goo (100%)
gyrating_goo (100%)

citymist_222977_takp_import_v0, range=176 (-98,443,5)

citymist_222981_takp_import_v0, range=142 (-259,203,41)

citymist_223448_takp_import_v0, range=199 (-111,197,3)

an_army_behemoth (10%)
a_fog_golem (90%)

citymist_222963_takp_import_v0, range=60 (-191,318,-7)

citymist_222961_takp_import_v0, range=24 (-221,340,-7)