[@Raijinslayer]

Sorry, Raijin. But anything else aside:


[quote]
Asura Slayers do not replenish themselves by devouring an element but by destroying matter with their magic and then absorbing it
[/quote]

Straight no go.

Can replenish their magic with with...their own magic? Ixnay. Violates basic rule of slayers, and one of the few things that keeps them balanced

If this were true, you could ask why Natsu, for example, doesn't just light some wood on fire and eat that
Answer: He can't

You downplayed this in his ability assessment, so you saw the potential for abuse, but you cited it as a lack of experience, which means that he would get straight OP as things went on.