Quote from Moppy;124889:
It's the gods' weapon. If they wanna call it a sword, I wouldn't mess with them.
agreed also
and Nuada is sorta accurate to the mythological counterpart with his silver arm and all o.o
Glas summons cows to his aid now so that's also somewhat of an accurate mythological thing
<.< though you gotta just take this as a story by itself with celtic influences rather than wanting it to be exact