Talk:Shimosa Chapter Release/@comment-31847937-20171015115130/@comment-4802891-20171015122241

The name is Tsumugari Muramasa. It's the sword name so it could potentially be just one of his numerous Noble Phantasms as a blacksmith. Considering what Limited/Zero Over is, though, it could that this sword is the apex of his art, and he can't do a better sword.

Tsumugari comes from Tsumugari-no-tachi, one the names given to the Kusanagi-no-tsurugi/Ame-no-murakumo-no-tsurugi)