Question on GodEaterBurst weapon blade...

[Murakumo]

The Laevateinn weapon is apparently a collaboration weapon, or so I've read on the GE english wikia. SOmeone care to explain where it's collaborated from?

 

[Selvaria Bles]

meaning you have to make with various ingridients

 

[Murakumo]

I meant "collaboration" as in what other companies/works/manga that it has been taken from