NPCs composing that spawngroup :

#Plaguebone_Warlord (10%)

an_army_behemoth (34%)

a_mist_golem (56%)

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

citymist_35, range=42 (102,-350,3)

a_bewildered_wanderer (50%)
a_haze_golem (50%)

citymist_54, range=66 (133,-353,39)

a_fog_golem (34%)
a_rambling_fanatic (33%)

citymist_61, range=71 (130,-364,-13)

citymist_80, range=57 (29,-344,255)

#Gyrating_Green_Slime (10%)
gyrating_goo (90%)

citymist_83, range=28 (77,-343,256)

greater_war_boned_skeleton (100%)

citymist_85, range=72 (121,-373,256)

citymist_86, range=42 (121,-312,256)

citymist_87, range=63 (136,-342,275)

citymist_92, range=88 (162,-284,76)

citymist_138, range=99 (64,-412,10)

citymist_155, range=87 (0,-277,4)

citymist_159, range=55 (105,-265,2)

citymist_223157_takp_import_v0, range=70 (147,-334,273)

citymist_222986_takp_import_v0, range=63 (136,-341,275)

citymist_222987_takp_import_v0, range=57 (117,-357,257)

a_mist_golem (50%)
a_wraith (25%)
a_wraith (25%)

citymist_a_wraith5_takp_import_v0, range=41 (119,-324,257)

a_wraith (50%)
a_wraith (50%)

citymist_222977_takp_import_v0, range=88 (162,-283,75)

citymist_a_phantom39_takp_import_v0, range=90 (167,-291,77)

a_phantom (50%)
a_phantom (50%)

citymist_223158_takp_import_v0, range=20 (61,-324,75)

citymist_222966_takp_import_v0, range=92 (152,-371,41)

citymist_an_apparition111_takp_import_v0, range=66 (133,-352,41)

an_apparition (50%)
an_apparition (50%)

citymist_222958_takp_import_v0, range=69 (64,-382,11)

citymist_222955_takp_import_v0, range=64 (48,-370,3)

citymist_222959_takp_import_v0, range=41 (102,-349,3)