NPCs composing that spawngroup :

fire_goblin (25%)

fire_goblin (25%)

fire_goblin_bartender (25%)

inferno_goblin_wizard (25%)

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

soldunga_inferno_goblin91, range=49 (-760,-693,57)

inferno_goblin (50%)
inferno_goblin (50%)

soldunga_fire_goblin90, range=62 (-670,-688,57)

soldunga_222175, range=75 (-796,-712,57)

soldunga_223540, range=13 (-727,-712,51)