NPCs composing that spawngroup :

minion_of_Xalgoz (25%)

skeletal_minion (25%)

skeletal_minion (25%)

skeletal_minion (25%)

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

kaesora_11, range=195 (92,-394,-99)

guardian_of_Xalgoz (50%)
skeletal_minion (50%)

kaesora_26, range=183 (297,-153,-123)

failed_crypt_raider (10%)
spectral_guardian (90%)

kaesora_27, range=122 (240,-181,3)

strathbone_healer (100%)
strathbone_healer (100%)

kaesora_29, range=117 (97,-85,3)

kaesora_30, range=179 (55,-33,3)

kaesora_31, range=117 (126,-83,3)

kaesora_32, range=96 (215,-210,-113)

kaesora_33, range=33 (111,-168,-27)

kaesora_35, range=45 (153,-169,-27)

kaesora_36, range=157 (42,-63,3)

kaesora_37, range=177 (-55,-236,-88)

skeletal_warder (100%)

kaesora_51, range=190 (9,-356,-101)

skeletal_warder (100%)

kaesora_60, range=115 (153,-89,3)

kaesora_61, range=138 (242,-135,-125)

kaesora_62, range=130 (246,-166,-123)

kaesora_64, range=163 (198,-57,-125)

skeletal_minion (100%)

kaesora_67, range=171 (258,-302,-108)

kaesora_68, range=139 (219,-298,-108)

kaesora_69, range=126 (179,-312,-109)

skeletal_warder (50%)
skeletal_warder (50%)

kaesora_70, range=185 (246,-336,-108)

minion_of_Xalgoz (100%)

kaesora_72, range=101 (176,-285,-109)

minion_of_Xalgoz (50%)
skeletal_minion (50%)

kaesora_73, range=103 (150,-299,-109)

kaesora_74, range=171 (136,-371,-73)

an_iksar_spectre (50%)
a_tome_keeper (50%)

kaesora_87, range=138 (57,-323,-109)

kaesora_88, range=127 (247,-197,3)

kaesora_91, range=164 (284,-195,3)

kaesora_93, range=194 (115,-395,-98)

spectral_guardian (80%)
tortured_librarian (20%)