NPCs composing that spawngroup :

a_shrouded_willsapper (100%)

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

griegsend1304249, range=74 (233,1936,-64)

a_defiled_dreamweaver (50%)
a_tormented_mercenary (50%)

griegsend1304069, range=1 (162,1957,-55)

a_shrouded_willsapper (50%)
a_shrouded_willsapper (50%)

griegsend_A_Dark_Vision11, range=47 (124,1986,-55)

griegsend_#Occisor_Prim, range=94 (155,2051,-54)

#Occisor_Primorus (100%)

griegsend_An_Occisor_Acer, range=92 (174,2049,-55)

An_Occisor_Acerbus (100%)