NPCs composing that spawngroup :

fire_goblin (33%)

goblin_drunkard (34%)

inferno_goblin_shaman (33%)

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

soldunga_32, range=84 (-781,-630,57)

soldunga_29, range=78 (-870,-685,57)

soldunga_80, range=95 (-702,-714,51)

fire_goblin (50%)
inferno_goblin (50%)

soldunga_82, range=69 (-728,-713,51)

soldunga_83, range=75 (-722,-725,51)

soldunga_93, range=40 (-761,-694,57)

fire_goblin (50%)
fire_goblin (50%)

soldunga_94, range=34 (-785,-681,57)

soldunga_96, range=41 (-757,-722,57)