NPCs composing that spawngroup :

fire_goblin (33%)

inferno_goblin (33%)

inferno_goblin (34%)

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

soldunga_35, range=61 (-723,-543,43)

inferno_goblin (50%)
inferno_goblin (50%)

soldunga_34, range=47 (-723,-561,43)

soldunga_33, range=23 (-743,-614,57)

inferno_goblin_wizard (100%)

soldunga_32, range=43 (-781,-630,57)

soldunga_21, range=92 (-781,-506,57)

inferno_goblin_shaman (100%)

soldunga_20, range=94 (-846,-567,43)

soldunga_81, range=90 (-688,-653,57)

inferno_goblin (100%)

soldunga_84, range=87 (-757,-508,57)

fire_goblin_wizard (50%)
inferno_goblin (50%)

soldunga_92, range=48 (-722,-562,57)

fire_goblin (50%)
fire_goblin (50%)

soldunga_93, range=99 (-761,-694,57)

fire_goblin (50%)
fire_goblin (50%)

soldunga_94, range=90 (-785,-681,57)