NPCs composing that spawngroup :

a_lurking_mummy (34%)

dark_boned_skeleton (33%)

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

unrest_a_crazed_ghoul121, range=79 (496,45,19)

a_crazed_ghoul (100%)

unrest_a_ghoul4, range=54 (595,-40,5)

unrest_a_barbed_bone_skeleton65, range=89 (501,60,20)

a_barbed_bone_skeleton (100%)

unrest_tormented_dead2, range=82 (568,-97,4)

unrest_a_skeletal_monk9, range=70 (600,-62,-25)

unrest_Torklar_Battlemaster25, range=79 (612,-61,7)

Torklar_Battlemaster (100%)

unrest_dark_boned_skeleton91, range=88 (628,17,5)

unrest_a_carrion_ghoul7, range=94 (640,-15,48)

a_carrion_ghoul (100%)

unrest_a_lurking_mummy92, range=38 (562,-52,6)

unrest_a_festering_hag5, range=93 (519,72,-68)

a_festering_hag (100%)

unrest_Khrix_Fritchoff13, range=92 (595,61,17)

Khrix_Fritchoff (100%)

unrest_222224, range=26 (572,-14,47)

a_dry_bone_skeleton (50%)
a_reanimated_hand (50%)

unrest_222227, range=89 (504,62,44)

a_ghoul (90%)
a_priest_of_najena (10%)

unrest_224008, range=43 (582,8,47)

unrest_224009, range=77 (614,21,48)

a_carrion_ghoul (50%)
a_dry_bone_skeleton (50%)

unrest_224010, range=32 (571,-38,20)

a_carrion_ghoul (70%)
a_skeletal_monk (30%)

unrest_224011, range=67 (495,-61,44)

a_crazed_ghoul (50%)
a_ghoul (50%)

unrest_224012, range=18 (554,0,47)

unrest_224014, range=76 (557,59,-19)

unrest_224015, range=71 (532,53,-57)

a_festering_hag (50%)
a_greater_dark_bone (50%)

unrest_224021, range=92 (637,-31,-24)

unrest_224023, range=57 (582,-62,-10)