NPCs composing that spawngroup :

A_Dark_Vision (50%)

Blue (50%)

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

griegsend_A_Shadow_dream151, range=60 (46,1272,-74)

A_Shadow_dream (100%)

griegsend_225218, range=68 (130,1336,-80)

#Abluo_Mulier (10%)
A_Dark_Sending (90%)

griegsend_225221, range=48 (154,1272,-81)