All righty.
You move cautiously towards the sound and see a light ahead. After the 20', you find yourselves facing a large room where four huge furnace fires burn along the west wall. The air is sooty and smoky. The fires are heating various pieces of metal, which are being forged into swordblades and spearheads. Working in this forge are eight hobgoblins, something that looks to be a very giant, hairy goblin, and a very dirty dwarf, imprisoned by a ball and chain attached to his ankle.
As you enter the room, the monsters drop what they're doing and attack. Fortunately, you're not surprised as you were forewarned by the <clanging>
Round 1 - Party has initiative.