NPCs composing that spawngroup :

a_necro_theurgist (25%)

a_necro_theurgist (25%)

ice_boned_skeleton (25%)

Priest_Amiaz (25%)

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

befallen_42, range=99 (-395,95,-11)

befallen_85, range=26 (-483,71,-78)

a_greater_skeleton (50%)
ice_boned_skeleton (50%)

befallen_88, range=94 (-400,98,-39)

befallen_89, range=40 (-456,80,-39)

befallen_90, range=57 (-437,104,-39)

befallen_106, range=12 (-486,86,-77)

befallen_109, range=80 (-438,37,-75)

ice_boned_skeleton (50%)
ice_boned_skeleton (50%)

befallen_111, range=91 (-470,7,-72)

befallen_113, range=80 (-465,20,-39)

befallen_115, range=65 (-449,47,-38)

befallen_116, range=47 (-540,85,-39)

befallen_117, range=97 (-591,88,-39)

befallen_118, range=99 (-568,161,-39)

befallen_120, range=43 (-519,130,-39)

befallen_121, range=59 (-511,152,-39)

befallen_124, range=98 (-556,18,-38)