NPCs composing that spawngroup :

a_greater_kobold_shaman (33%)

a_greater_kobold_shaman (34%)

a_raging_kobold (33%)

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

stonebrunt_7, range=62 (-599,-2778,363)

stonebrunt_30, range=34 (-610,-2745,363)

a_greater_kobold_shaman (50%)
a_raging_kobold (50%)

stonebrunt_32, range=50 (-593,-2719,363)

stonebrunt_33, range=31 (-653,-2702,360)