This weapon is referred to as an '''artifact weapon'''; it cannot be normally found in the Mazes, nor can it be crafted or built.
Muramasa can be obtained by completing the '''Outside area, tundra''' explorable area and reaching the treasure. This weapon is unique. Only '''one instance''' of this artifact weapon should exist. It is priceless and cannot be sold, and if it is lost or abandoned, it will return to its original locationfound for sale anywhere.
== Stats ==