NPCs composing that spawngroup :

an_apparition (25%)

an_apparition (25%)

greater_plaguebone (25%)

greater_plaguebone (25%)

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

citymist_a_phantom39, range=60 (167,-291,77)

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

citymist_a_mist_golem7, range=51 (211,-307,274)

a_mist_golem (100%)

citymist_a_wraith5, range=68 (119,-324,257)

a_wraith (50%)
a_wraith (50%)

citymist_an_apparition111, range=49 (133,-352,41)

an_apparition (50%)
an_apparition (50%)

citymist_greater_spurbone86, range=84 (262,-378,39)

citymist_222959, range=80 (102,-349,3)

citymist_222961, range=61 (243,-349,-15)

citymist_222963, range=86 (226,-424,4)

citymist_222966, range=36 (152,-371,41)

citymist_222967, range=76 (172,-426,40)

citymist_222968, range=86 (225,-425,41)

citymist_222969, range=22 (198,-334,-11)

citymist_222970, range=33 (215,-348,63)

citymist_222971, range=75 (198,-424,4)

citymist_222977, range=69 (162,-283,75)

citymist_222982, range=78 (258,-329,77)

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

citymist_222984, range=48 (210,-389,274)

citymist_222985, range=48 (199,-395,273)

citymist_222986, range=46 (136,-341,275)

citymist_222987, range=65 (117,-357,257)

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

citymist_222988, range=26 (189,-324,274)

a_fog_golem (50%)
greater_war_boned_skeleton (50%)

citymist_223157, range=67 (247,-367,255)

citymist_223158, range=97 (279,-348,75)