NPCs composing that spawngroup :

a_greater_skeleton (33%)

a_large_skeleton (33%)

a_large_skeleton (34%)

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

najena_82, range=97 (79,235,3)

najena_77, range=60 (173,228,3)

a_large_skeleton (100%)

najena_69, range=39 (153,211,4)

a_greater_skeleton (50%)
a_greater_skeleton (50%)

najena_67, range=37 (190,168,-23)

an_ogre_guard (100%)

najena_66, range=58 (119,219,-23)

najena_64, range=84 (119,249,-23)

najena_49, range=32 (121,164,-23)

an_ogre_guard (100%)

najena_43, range=56 (145,116,-14)

a_skeleton (33%)
a_skeleton (33%)
a_skeleton (34%)

najena_38, range=53 (162,225,-25)

najena_37, range=50 (145,222,-25)

an_earth_elemental (50%)
an_earth_elemental (50%)

najena_36, range=86 (91,232,-23)

a_guard_officer (50%)
a_guard_officer (50%)

najena_34, range=96 (57,175,-23)

najena_2, range=25 (134,189,-24)

dark-boned_skeleton (50%)
dark-boned_skeleton (50%)