NPCs composing that spawngroup :

a_raving_lunatic (100%)

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

citymist_15, range=178 (278,338,21)

a_raving_lunatic (100%)

citymist_23, range=171 (35,276,3)

a_mist_golem (33%)
greater_war_boned_skeleton (33%)

citymist_36, range=68 (116,171,3)

citymist_37, range=66 (117,200,3)

citymist_39, range=33 (202,161,3)

citymist_40, range=136 (202,323,-7)

citymist_43, range=69 (240,150,4)

citymist_44, range=171 (256,34,4)

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

citymist_46, range=167 (66,65,2)

citymist_63, range=141 (89,295,4)

citymist_64, range=43 (160,226,273)

citymist_65, range=33 (168,157,274)

a_deranged_madman (50%)

citymist_66, range=197 (143,-6,274)

a_deranged_madman (50%)
greater_plaguebone (50%)

citymist_90, range=101 (278,222,39)

citymist_275197, range=38 (144,186,294)

a_black_reaver (100%)

citymist_222980_takp_import_v0, range=38 (144,186,294)

a_black_reaver (100%)

citymist_223157_takp_import_v0, range=50 (142,158,273)

gyrating_goo (100%)

citymist_222986_takp_import_v0, range=52 (144,152,275)

citymist_222991_takp_import_v0, range=17 (190,172,273)

gyrating_goo (75%)
Wraith_of_Jaxion (25%)

citymist_222987_takp_import_v0, range=10 (190,181,274)

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

citymist_222990_takp_import_v0, range=174 (139,19,273)

a_mist_golem (50%)
greater_war_boned_skeleton (50%)

citymist_222970_takp_import_v0, range=102 (155,89,5)

citymist_222977_takp_import_v0, range=78 (104,177,4)

citymist_223158_takp_import_v0, range=193 (278,20,75)

gyrating_goo (50%)
gyrating_goo (50%)

citymist_223449_takp_import_v0, range=54 (128,178,2)

citymist_222976_takp_import_v0, range=66 (117,200,4)

a_phantom (25%)
a_phantom (25%)
a_wraith (25%)
a_wraith (25%)

citymist_222963_takp_import_v0, range=194 (193,382,-7)

citymist_222973_takp_import_v0, range=168 (218,353,-6)

a_fog_golem (50%)
a_vapor_golem (50%)

citymist_222975_takp_import_v0, range=186 (230,8,5)