NPCs composing that spawngroup :

a_greater_skeleton (33%)

a_necro_theurgist (33%)

a_necro_theurgist (34%)

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

befallen_55, range=143 (-732,-65,-66)

befallen_52, range=157 (-678,35,-67)

befallen_48, range=28 (-620,-90,-67)

befallen_47, range=82 (-512,-79,-66)

befallen_46, range=112 (-480,-94,-67)

befallen_14, range=113 (-665,-184,-68)

befallen_9, range=127 (-705,-38,-67)

befallen_8, range=59 (-645,-125,-67)

befallen_65, range=114 (-706,-102,-67)

befallen_72, range=122 (-491,-166,-39)

a_dread_bone (50%)
a_dread_bone (50%)

befallen_73, range=162 (-500,-231,-39)

a_dread_bone (100%)

befallen_74, range=85 (-533,-159,-39)

a_burnt_zombie (50%)
a_lesser_mummy (50%)

befallen_75, range=185 (-777,-102,-68)

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

befallen_76, range=93 (-647,-21,-66)

befallen_77, range=72 (-627,-33,-67)

befallen_81, range=93 (-622,-186,-68)

befallen_93, range=151 (-456,-31,-38)

a_greater_skeleton (50%)
a_sturdy_skeleton (50%)

befallen_94, range=190 (-439,-211,-38)

befallen_96, range=155 (-437,-82,-40)

a_necro_neophyte (50%)
a_zombie (50%)

befallen_97, range=176 (-416,-114,-39)

a_lesser_mummy (50%)
a_sturdy_skeleton (50%)

befallen_98, range=37 (-586,-60,-39)

befallen_100, range=104 (-488,-105,-38)

a_large_plague_rat (50%)
a_necro_neophyte (50%)

befallen_104, range=72 (-623,-162,-66)

befallen_105, range=58 (-552,-54,-39)

a_dread_bone (50%)
a_shadowknight (50%)

befallen_108, range=165 (-435,-150,-69)

befallen_111, range=160 (-470,7,-72)

befallen_113, range=172 (-465,20,-39)

befallen_116, range=189 (-540,85,-39)

befallen_117, range=185 (-591,88,-39)

befallen_123, range=124 (-571,26,-39)

befallen_124, range=120 (-556,18,-38)