NPCs composing that spawngroup :

an_apparition (25%)

an_apparition (25%)

a_vapor_golem (50%)

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

citymist_39, range=175 (202,161,3)

citymist_43, range=158 (240,150,4)

citymist_44, range=42 (256,34,4)

citymist_45, range=137 (159,95,2)

citymist_46, range=197 (66,65,2)

citymist_51, range=1 (250,-9,4)

plaguebone_skeleton (100%)

citymist_52, range=56 (194,-14,-9)

citymist_57, range=85 (219,-88,1)

citymist_65, range=184 (168,157,274)

a_deranged_madman (50%)

citymist_66, range=106 (143,-6,274)

a_deranged_madman (50%)
greater_plaguebone (50%)

citymist_74, range=105 (150,-42,273)

citymist_91, range=69 (280,-71,75)

citymist_114, range=144 (262,-152,147)

gyrating_goo (100%)

citymist_119, range=110 (140,-21,-9)

a_shadow (20%)
greater_spurbone (20%)

citymist_126, range=144 (252,-152,147)

citymist_170, range=185 (246,-193,2)

citymist_172, range=159 (102,-67,2)

citymist_275173, range=82 (260,-90,4)

Kilidna (100%)

citymist_223157_takp_import_v0, range=198 (142,158,273)

gyrating_goo (100%)
gyrating_goo (100%)

citymist_222986_takp_import_v0, range=191 (144,152,275)

citymist_222991_takp_import_v0, range=189 (190,172,273)

gyrating_goo (75%)
Wraith_of_Jaxion (25%)

citymist_222987_takp_import_v0, range=198 (190,181,274)

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

citymist_222990_takp_import_v0, range=114 (139,19,273)

a_mist_golem (50%)
greater_war_boned_skeleton (50%)

citymist_222970_takp_import_v0, range=136 (155,89,5)

citymist_223158_takp_import_v0, range=39 (278,20,75)

citymist_222975_takp_import_v0, range=25 (230,8,5)

citymist_222974_takp_import_v0, range=134 (116,-1,3)

citymist_greater_spurbone86_takp_import_v0, range=159 (91,5,3)

greater_spurbone (50%)
greater_spurbone (50%)