NPCs composing that spawngroup :

a_phantom (25%)

a_phantom (25%)

greater_plaguebone (25%)

greater_plaguebone (25%)

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

citymist_a_phantom39, range=18 (167,-291,77)

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

citymist_a_mist_golem7, range=33 (211,-307,274)

a_mist_golem (100%)

citymist_a_wraith5, range=76 (119,-324,257)

a_wraith (50%)
a_wraith (50%)

citymist_an_apparition111, range=84 (133,-352,41)

an_apparition (50%)
an_apparition (50%)

citymist_222961, range=85 (243,-349,-15)

citymist_222966, range=91 (152,-371,41)

citymist_222969, range=49 (198,-334,-11)

citymist_222970, range=75 (249,-326,75)

citymist_222972, range=64 (182,-350,63)

citymist_222982, range=84 (258,-329,77)

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

citymist_222986, range=53 (219,-327,273)

citymist_222987, range=98 (117,-357,257)

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

citymist_222988, range=38 (189,-324,274)

a_fog_golem (50%)
greater_war_boned_skeleton (50%)

citymist_223157, range=61 (147,-334,273)

citymist_223158, range=97 (115,-354,75)

gyrating_goo (50%)
gyrating_goo (50%)