NPCs composing that spawngroup :

a_dusty_werebat (100%)

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

unrest_75, range=57 (612,-62,5)

Torklar_Battlemaster (100%)

unrest_73, range=71 (697,-76,55)

an_undead_knight_of_Unrest (45%)
a_festering_hag (45%)

unrest_68, range=75 (645,-39,21)

a_carrion_ghoul (50%)
a_dry_bone_skeleton (50%)

unrest_65, range=55 (687,-93,40)

unrest_64, range=43 (656,-75,40)

a_skeletal_monk (100%)

unrest_51, range=64 (613,-54,5)

unrest_50, range=54 (683,-86,7)

unrest_34, range=62 (600,-63,-25)

unrest_32, range=12 (637,-102,-24)

unrest_31, range=74 (582,-63,-10)

unrest_30, range=74 (690,-63,-11)

unrest_23, range=40 (624,-153,1)

unrest_18, range=80 (603,-41,5)

a_ghoul (100%)

unrest_15, range=99 (571,-39,20)

unrest_7, range=81 (668,-39,39)

an_undead_barkeep (50%)
a_dry_bone_skeleton (50%)

unrest_4, range=80 (704,-71,39)

unrest_3, range=59 (682,-76,39)

unrest_2, range=91 (560,-63,5)

unrest_5002713, range=51 (637,-63,-20)

a_festering_hag (100%)