NPCs composing that spawngroup :

a_Vigilum_of_the_Eye (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

sseru1272762, range=63 (540,-406,59)

sseru1272735, range=65 (537,-405,59)

sseru1272709, range=124 (680,-492,58)

sseru1272678, range=155 (678,-530,59)

sseru1272675, range=93 (511,-376,59)

sseru1272669, range=160 (481,-499,60)

sseru1272616, range=88 (571,-477,58)

sseru1272576, range=90 (685,-432,60)

sseru1272535, range=127 (662,-508,60)