NPCs composing that spawngroup :

inferno_goblin (33%)

Solusek_champion (34%)

Solusek_goblin (33%)

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

soldunga_21, range=73 (-781,-506,57)

inferno_goblin_shaman (100%)

soldunga_20, range=29 (-846,-567,43)

soldunga_18, range=59 (-902,-517,26)

young_goblin (100%)

soldunga_17, range=75 (-912,-501,14)

inferno_goblin (100%)

soldunga_16, range=68 (-911,-515,15)

fire_goblin (100%)

soldunga_15, range=53 (-850,-485,22)

fire_goblin (50%)
inferno_goblin (50%)

soldunga_13, range=97 (-809,-448,38)

fire_goblin_wizard (50%)
inferno_goblin (50%)

soldunga_84, range=93 (-757,-508,57)

fire_goblin_wizard (50%)
inferno_goblin (50%)

soldunga_91, range=89 (-782,-475,57)