NPCs composing that spawngroup :

a_scuttle_bat (100%)

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

thurgadina_2, range=23 (111,-93,-14)

thurgadina_4, range=54 (83,-81,7)

thurgadina_5, range=87 (153,-186,-13)

thurgadina_8, range=79 (150,-22,-8)

thurgadina_87, range=85 (51,-121,2)

thurgadina_88, range=96 (46,-140,2)

thurgadina_169, range=88 (46,-109,2)

thurgadina_173, range=51 (88,-75,-12)

thurgadina_111058, range=90 (48,-128,2)