NPCs composing that spawngroup :

an_Ancient_Guardian (33%)

a_Di`zok_Guardian (33%)

a_Greater_Guardian (34%)

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

chardok_an_Imperial_Courier257, range=83 (-607,-330,-139)

an_Imperial_Courier (90%)
Korucust`s_Courier (10%)

chardok_a_Di`zok_Jannisary253, range=20 (-506,-328,-139)

a_Di`zok_Jannisary (50%)
a_Di`zok_Myrmidon (50%)

chardok_a_Di`zok_Warlord252, range=35 (-505,-288,-144)

chardok_a_Di`zok_Myrmidon258, range=90 (-607,-282,-143)

chardok_an_Imperial_Interrogator256, range=80 (-588,-366,-133)

an_Imperial_Interrogator (75%)
Interrogator_Gi`mok (25%)

chardok_an_Imperial_Officer263, range=63 (-558,-372,-135)

an_Imperial_Officer (90%)
Korocust (10%)

chardok_an_accused_traitor5, range=59 (-553,-266,-158)

an_accused_traitor (100%)

chardok_a_Di`zok_Aruspex255, range=39 (-559,-336,-136)

chardok_Arch_Inspector_Nibi`zi254, range=45 (-526,-363,-133)

an_Imperial_Inspector (80%)
Arch_Inspector_Nibi`zi (20%)

chardok_448207, range=65 (-559,-373,-135)

Korocust (100%)

chardok_448208, range=23 (-543,-332,-166)

chardok_lower_lvl_sarnaks_royals, range=44 (-535,-361,-136)