NPCs composing that spawngroup :

a_bat (100%)

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

northro67526, range=43 (8936,-1167,-9)

northro67536, range=13 (8963,-1141,-20)

northro67538, range=99 (9021,-1053,-31)

northro67539, range=68 (8906,-1174,-2)

northro67540, range=85 (8998,-1054,-26)

northro67541, range=78 (8949,-1207,-16)

northro67554, range=64 (8992,-1075,-25)

northro67805, range=69 (8925,-1191,-6)