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)