User blog comment:B214/Volume 17 spoilers./@comment-59.96.208.81-20140223141644/@comment-59.96.208.81-20140223161028

No there are a few norse swords left and also bible related ones like:

Hrunting, of beowolf, Sutr's fire sword.

Since there is celtic myth involved there is 'fragarach' held by lugh or   Claíomh Solais of Nuada. especially the latter which could cut anything.