NPCs composing that spawngroup :

a_phantom (25%)

a_phantom (25%)

greater_war_boned_skeleton (50%)

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

citymist_71, range=88 (211,-307,274)

a_mist_golem (100%)

citymist_50076126, range=78 (133,-352,41)

an_apparition (50%)
an_apparition (50%)

citymist_50076128, range=62 (243,-350,-15)

citymist_50076130, range=52 (152,-371,41)

citymist_50076131, range=39 (225,-425,41)

citymist_50076132, range=61 (198,-334,-11)

citymist_50076133, range=48 (182,-350,63)

citymist_50076136, range=12 (210,-389,274)

citymist_50076140, range=41 (172,-426,40)

citymist_50076141, range=85 (249,-326,75)

citymist_50076144, range=71 (189,-324,274)

a_fog_golem (50%)
greater_war_boned_skeleton (50%)

citymist_50076149, range=88 (258,-329,77)

a_mist_golem (50%)
a_phantom (25%)
a_phantom (25%)

citymist_50076150, range=90 (117,-357,247)

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

citymist_50076152, range=48 (182,-350,65)

a_phantom (50%)
a_phantom (50%)

citymist_50076153, range=29 (198,-424,4)

citymist_50076162, range=39 (226,-424,4)

citymist_50076167, range=41 (171,-425,3)

citymist_50076168, range=70 (219,-327,273)

citymist_50076169, range=92 (279,-348,75)

gyrating_goo (100%)
gyrating_goo (100%)

citymist_50076170, range=80 (147,-334,273)