So the world is born in the aftermath of battle between the original rulers. It reminds me of the legend of tiamat, or the creation myth of the Norse legends. I may take a shot at this. I imagine this will involve world building as well, unless you already have full concept for how the world, the magic there in, the races and the creatures work? Either way, I'd love to help out. Any more information or guidelines you may want to give me are appreciated, and if not I'll get started.