NPCs composing that spawngroup :

Praetorian_Myral (100%)

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

griegsend1304138, range=20 (251,1379,-64)

griegsend1304137, range=82 (310,1448,-64)

griegsend1304136, range=40 (310,1385,-64)

a_mangled_clairvoyant (50%)
a_tormented_pugilist (50%)

griegsend_225221_takp_import_v0, range=10 (277,1384,-64)

A_Dark_Vision (100%)

griegsend_An_Occisor_Acerbus259_takp_import_v0, range=89 (228,1454,-64)

#Occisor_Primorus (5%)
An_Occisor_Acerbus (95%)

griegsend Alchemist Valrona_takp_import_v0, range=76 (200,1347,-81)

#Alchemist_Valrona (5%)
Alchemist (95%)