NPCs composing that spawngroup :

a_shadowknight (33%)

a_shadowknight (34%)

ice_boned_skeleton (33%)

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

befallen_56, range=153 (-365,104,-10)

skeleton_Lrodd (50%)
skeleton_Lrodd (50%)

befallen_54, range=146 (-652,113,-66)

a_greater_skeleton (50%)
a_necro_acolyte (50%)

befallen_53, range=166 (-676,130,-68)

befallen_45, range=163 (-359,91,-68)

a_ghoul (50%)
a_necro_acolyte (50%)

befallen_42, range=129 (-395,95,-11)

befallen_41, range=133 (-392,92,-67)

a_ghoul (50%)
ice_boned_skeleton (50%)

befallen_34, range=179 (-334,183,-11)

a_putrid_skeleton (50%)
a_shadowknight (50%)

befallen_33, range=179 (-332,166,-12)

befallen_60, range=161 (-373,69,-10)

befallen_85, range=85 (-483,71,-78)

a_greater_skeleton (50%)
ice_boned_skeleton (50%)

befallen_88, range=123 (-400,98,-39)

befallen_89, range=90 (-456,80,-39)

befallen_90, range=88 (-437,104,-39)

befallen_91, range=185 (-372,29,-39)

befallen_93, range=191 (-456,-31,-38)

a_greater_skeleton (50%)
a_sturdy_skeleton (50%)

befallen_106, range=70 (-486,86,-77)

befallen_109, range=136 (-438,37,-75)

ice_boned_skeleton (50%)
ice_boned_skeleton (50%)

befallen_110, range=59 (-494,95,-76)

befallen_111, range=150 (-470,7,-72)

befallen_112, range=189 (-401,-2,-67)

befallen_113, range=139 (-465,20,-39)

befallen_115, range=121 (-449,47,-38)

befallen_116, range=73 (-540,85,-39)

befallen_117, range=102 (-591,88,-39)

befallen_118, range=57 (-568,161,-39)

befallen_119, range=52 (-546,191,-38)

befallen_120, range=23 (-519,130,-39)

befallen_123, range=139 (-571,26,-39)

befallen_124, range=141 (-556,18,-38)