NPCs composing that spawngroup :

#Hinvat_Deathbringer (3%)

Decorin_Brawler (33%)

Decorin_Lieutenant (34%)

Hendin_Shadow_Master (31%)

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

potactics2140093, range=30 (301,320,168)

Decorin_Berik (100%)

potactics2140148, range=60 (301,290,166)