The Orcs there only grew angrier at the trespassers when they discovered that Thorin wielded the sword Orcrist, which they feared above most other blades and which had wronged them in the past.

The lead dwarf, Thorin Oakenshield, is targeted as a particular threat by the Goblin King as he is carrying a unique sword called Orcrist, the Goblin-Cleaver. Orcrist, according to Tolkien's lore ...