NPCs composing that spawngroup :

a_dread_bone (50%)

a_dread_bone (50%)

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

befallen_47, range=89 (-512,-79,-66)

befallen_46, range=72 (-480,-94,-67)

befallen_73, range=65 (-500,-231,-39)

a_dread_bone (100%)

befallen_74, range=42 (-533,-159,-39)

a_burnt_zombie (50%)
a_lesser_mummy (50%)

befallen_94, range=68 (-439,-211,-38)

befallen_95, range=98 (-429,-242,-39)

befallen_96, range=99 (-437,-82,-40)

a_necro_neophyte (50%)
a_zombie (50%)

befallen_97, range=91 (-416,-114,-39)

a_lesser_mummy (50%)
a_sturdy_skeleton (50%)

befallen_100, range=61 (-488,-105,-38)

a_large_plague_rat (50%)
a_necro_neophyte (50%)

befallen_108, range=58 (-435,-150,-69)