NPCs composing that spawngroup :

fire_goblin (25%)

fire_goblin (25%)

goblin_drunkard (25%)

inferno_goblin (25%)

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

soldunga_inferno_goblin91, range=40 (-760,-693,57)

inferno_goblin (50%)
inferno_goblin (50%)

soldunga_222173, range=75 (-721,-724,51)

soldunga_223540, range=34 (-784,-680,57)

soldunga_223548, range=78 (-869,-684,57)