 Thorin found the Elven blade Orcrist in the trolls' cache, and used the sword fighting goblins in the tunnels beneath the Misty Mountains.At the same time, Bilbo found a magic ring, using it to escape from the tunnels past the goblin guards.When the Dwarves were captured by the wood-elves of Mirkwood, Thorin insisted that the others not disclose their quest to their captors.