NPCs composing that spawngroup :

a_dread_bone (33%)

a_greater_skeleton (33%)

a_greater_skeleton (34%)

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

befallen_56, range=176 (-365,104,-10)

skeleton_Lrodd (50%)
skeleton_Lrodd (50%)

befallen_54, range=115 (-652,113,-66)

a_greater_skeleton (50%)
a_necro_acolyte (50%)

befallen_53, range=143 (-676,130,-68)

befallen_52, range=146 (-678,35,-67)

befallen_49, range=189 (-592,-97,-69)

befallen_48, range=192 (-620,-90,-67)

befallen_47, range=166 (-512,-79,-66)

befallen_46, range=188 (-480,-94,-67)

befallen_45, range=181 (-359,91,-68)

a_ghoul (50%)
a_necro_acolyte (50%)

befallen_42, range=145 (-395,95,-11)

befallen_41, range=148 (-392,92,-67)

a_ghoul (50%)
ice_boned_skeleton (50%)

befallen_60, range=167 (-373,69,-10)

befallen_76, range=150 (-647,-21,-66)

befallen_77, range=146 (-627,-33,-67)

befallen_85, range=58 (-483,71,-78)

a_greater_skeleton (50%)
ice_boned_skeleton (50%)

befallen_88, range=140 (-400,98,-39)

befallen_89, range=84 (-456,80,-39)

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

befallen_91, range=177 (-372,29,-39)

befallen_92, range=185 (-372,7,-39)

befallen_93, range=143 (-456,-31,-38)

a_greater_skeleton (50%)
a_sturdy_skeleton (50%)

befallen_96, range=196 (-437,-82,-40)

a_necro_neophyte (50%)
a_zombie (50%)

befallen_98, range=152 (-586,-60,-39)

befallen_100, range=196 (-488,-105,-38)

a_large_plague_rat (50%)
a_necro_neophyte (50%)

befallen_105, range=139 (-552,-54,-39)

a_dread_bone (50%)
a_shadowknight (50%)

befallen_106, range=54 (-486,86,-77)

befallen_109, range=112 (-438,37,-75)

ice_boned_skeleton (50%)
ice_boned_skeleton (50%)

befallen_110, range=47 (-494,95,-76)

befallen_111, range=104 (-470,7,-72)

befallen_112, range=163 (-401,-2,-67)

befallen_113, range=99 (-465,20,-39)

befallen_114, range=188 (-400,-41,-38)

befallen_115, range=98 (-449,47,-38)

befallen_117, range=51 (-591,88,-39)

befallen_118, range=80 (-568,161,-39)

befallen_119, range=106 (-546,191,-38)

befallen_120, range=49 (-519,130,-39)

befallen_121, range=73 (-511,152,-39)

befallen_123, range=66 (-571,26,-39)

befallen_124, range=68 (-556,18,-38)