NPCs composing that spawngroup :

#Embra (100%)

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

arcstone65301, range=65 (-500,896,187)

arcstone65303, range=86 (-643,930,185)

arcstone65312, range=16 (-580,884,188)

arcstone65313, range=32 (-591,872,189)

arcstone65318, range=47 (-519,884,187)