NPCs composing that spawngroup :

a_festering_hag (50%)

a_greater_dark_bone (50%)

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

unrest_a_crazed_ghoul121, range=36 (496,45,19)

a_crazed_ghoul (100%)

unrest_a_ghoul4, range=17 (515,54,5)

unrest_a_barbed_bone_skeleton65, range=31 (501,60,20)

a_barbed_bone_skeleton (100%)

unrest_a_skeletal_monk9, range=75 (601,23,47)

a_skeletal_monk (100%)
a_skeletal_monk (100%)

unrest_a_tentacle_terror45, range=58 (481,82,-35)

a_tentacle_terror (100%)

unrest_dark_boned_skeleton91, range=22 (554,56,5)

unrest_a_lurking_mummy92, range=19 (517,65,6)

unrest_a_festering_hag5, range=23 (519,72,-68)

a_festering_hag (100%)

unrest_Khrix_Fritchoff13, range=63 (595,61,17)

Khrix_Fritchoff (100%)

unrest_222222, range=71 (546,-17,3)

unrest_222224, range=78 (572,-14,47)

a_dry_bone_skeleton (50%)
a_reanimated_hand (50%)

unrest_222227, range=29 (504,62,44)

a_ghoul (90%)
a_priest_of_najena (10%)

unrest_224008, range=67 (582,8,47)

unrest_224009, range=88 (614,21,48)

a_carrion_ghoul (50%)
a_dry_bone_skeleton (50%)

unrest_224010, range=99 (571,-38,20)

a_carrion_ghoul (70%)
a_skeletal_monk (30%)

unrest_224012, range=57 (554,0,47)

unrest_224013, range=84 (616,63,19)

unrest_224014, range=25 (557,59,-19)

unrest_224016, range=46 (497,84,-68)

unrest_448155, range=57 (543,109,-26)

unrest_448159, range=75 (496,119,-33)

a_festering_hag (25%)
a_tentacle_terror (75%)