Book: Special Weapons.
Some legends live forever. Others are overwritten - reshaped by the sheer will of those who believe that any ordeal can be conquered, any foe vanquished, any god cast down.
The Mythoclast is a Vex instrument from some far-flung corner of time and space, mysteriously fit for human hands. Its origins, mechanism of action, and ultimate purpose remain unknown. Perhaps it will reveal itself to you, in time...