NPCs composing that spawngroup :

failed_crypt_raider (34%)

minion_of_Xalgoz (33%)

spectral_guardian (33%)

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

kaesora_15, range=189 (-112,560,-292)

guardian_of_Xalgoz (50%)
Xalgoz (50%)

kaesora_16, range=167 (-119,584,-291)

kaesora_19, range=188 (-52,707,-300)

kaesora_20, range=165 (-77,669,-299)

kaesora_21, range=161 (-79,703,-299)

kaesora_26, range=92 (-161,654,-226)

failed_crypt_raider (10%)
spectral_guardian (90%)

kaesora_40, range=197 (-44,672,-300)

kaesora_43, range=83 (-315,661,-173)

skeletal_warder (100%)

kaesora_47, range=115 (-163,614,-139)

spectral_guardian (50%)
spectral_guardian (50%)

kaesora_79, range=167 (-114,589,-316)

kaesora_85, range=188 (-88,589,-347)