NPCs composing that spawngroup :

a_greater_skeleton (33%)

a_greater_skeleton (34%)

ice_boned_skeleton (33%)

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

befallen_57, range=183 (-750,32,-66)

befallen_55, range=168 (-732,-65,-66)

befallen_32, range=99 (-999,-62,-66)

a_greater_skeleton (50%)
a_willowisp (50%)

befallen_12, range=152 (-975,-206,-69)

a_necro_acolyte (50%)
ice_boned_skeleton (50%)

befallen_11, range=150 (-988,-195,-69)

a_ghoul (33%)
a_shadowknight (33%)
a_zombie (34%)

befallen_10, range=133 (-986,-175,-68)

a_ghoul (50%)
ice_boned_skeleton (50%)

befallen_9, range=198 (-705,-38,-67)

befallen_1, range=158 (-814,-206,-68)

Boondin_Babbinsbort (100%)

befallen_62, range=121 (-887,48,-67)

a_greater_skeleton (50%)
a_necro_acolyte (50%)

befallen_63, range=142 (-847,-205,-66)

befallen_64, range=127 (-797,-148,-68)

befallen_65, range=196 (-706,-102,-67)

befallen_75, range=126 (-777,-102,-68)

a_ghoul (33%)
a_ghoul (33%)
a_ghoul (34%)

befallen_78, range=69 (-852,-23,-67)

befallen_79, range=82 (-837,-127,-67)

befallen_80, range=84 (-821,-103,-66)

befallen_82, range=161 (-851,-227,-66)

befallen_84, range=13 (-902,-86,-66)

a_greater_skeleton (50%)
a_necro_acolyte (50%)

befallen_86, range=138 (-818,38,-67)

a_ghoul (33%)
a_ghoul (33%)
a_ghoul (34%)

befallen_87, range=114 (-875,39,-66)

befallen_107, range=102 (-1002,-80,-66)