NPCs composing that spawngroup :

skeletal_minion (34%)

spectral_guardian (33%)

spectral_guardian (33%)

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

kaesora_10, range=87 (93,-440,-101)

skeletal_minion (100%)

kaesora_11, range=128 (92,-394,-99)

guardian_of_Xalgoz (50%)
skeletal_minion (50%)

kaesora_26, range=139 (136,-409,-98)

failed_crypt_raider (10%)
spectral_guardian (90%)

kaesora_37, range=147 (178,-579,-109)

skeletal_warder (100%)
skeletal_warder (100%)

kaesora_43, range=142 (167,-441,-101)

skeletal_warder (100%)

kaesora_51, range=162 (9,-356,-101)

skeletal_warder (100%)

kaesora_52, range=6 (40,-516,-107)

kaesora_53, range=17 (63,-514,-109)

kaesora_55, range=19 (51,-495,-109)

kaesora_56, range=170 (166,-635,-106)

kaesora_57, range=189 (181,-647,-106)

kaesora_58, range=130 (141,-603,-108)

kaesora_59, range=169 (124,-665,-109)

minion_of_Xalgoz (50%)
skeletal_warder (50%)

kaesora_65, range=120 (57,-395,-68)

spectral_guardian (100%)

kaesora_66, range=142 (134,-404,-99)

spectral_guardian (100%)

kaesora_74, range=168 (136,-371,-73)

an_iksar_spectre (50%)
a_tome_keeper (50%)

kaesora_87, range=191 (57,-323,-109)

kaesora_93, range=138 (115,-395,-98)

spectral_guardian (80%)
tortured_librarian (20%)

kaesora_94, range=121 (116,-415,-99)

spectral_guardian (80%)
spectral_librarian (20%)

kaesora_96, range=176 (163,-647,-106)

gorged_ravener (100%)