NPCs composing that spawngroup :

a_fog_golem (50%)

greater_war_boned_skeleton (50%)

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

citymist_a_phantom39, range=26 (182,-350,65)

a_phantom (50%)
a_phantom (50%)
a_phantom (50%)
a_phantom (50%)

citymist_a_mist_golem7, range=27 (211,-307,274)

a_mist_golem (100%)

citymist_a_wraith5, range=70 (119,-324,257)

a_wraith (50%)
a_wraith (50%)

citymist_an_apparition111, range=62 (133,-352,41)

an_apparition (50%)
an_apparition (50%)

citymist_greater_spurbone86, range=90 (262,-378,39)

greater_spurbone (50%)
greater_spurbone (50%)

citymist_222959, range=90 (102,-349,3)

citymist_222961, range=59 (243,-349,-15)

citymist_222966, range=59 (152,-371,41)

citymist_222969, range=13 (198,-334,-11)

citymist_222970, range=35 (215,-348,63)

citymist_222972, range=73 (262,-333,-15)

citymist_222977, range=49 (162,-283,75)

citymist_222982, range=69 (258,-329,77)

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

citymist_222984, range=68 (210,-389,274)

citymist_222985, range=71 (199,-395,273)

citymist_222986, range=55 (136,-341,275)

citymist_222987, range=79 (117,-357,257)

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

citymist_223157, range=43 (147,-334,273)

citymist_223158, range=93 (279,-348,75)