NPCs composing that spawngroup :

an_undertaker_skeleton (25%)

a_helot_spirit (25%)

a_helot_spirit (25%)

hexbone_skeleton (25%)

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

charasis_7, range=39 (117,-458,40)

an_undertaker_skeleton (50%)
a_hamal_skeleton (50%)

charasis_9, range=18 (146,-422,24)

charasis_10, range=36 (152,-404,24)

charasis_14, range=51 (101,-440,22)

charasis_15, range=62 (101,-404,23)

charasis_89, range=93 (152,-533,22)

charasis_90, range=93 (136,-532,22)