Quote Originally Posted by The Man View Post
Oh he's definitely bitter, but the reason he even wants revenge is clearly because of what Lavos did to humanity during his time period. Certainly getting revenge by destroying Lavos is one of the best ways to make sure that doesn't happen again.
True, its a good way to stop it from happening, but that seemed more like a nice, but unnescessary, perk.

I imagine even if Lavos would never do any more damage Magus would still try to kill him. The fact his revenge would save humanity doesn't really play into his motives.