The story behind this character is an Alchemist who sold potions to locals to get by ended up falling into a mixture in the middle of preparing it, and ended up with enhanced magical ability... But the magic is slowly eating them away, so they're traveling around the world to find a cure for their magical disease.

I apologize if somebody recognizes this as their own work and gets angry, my friend sent me an old skin she worked on and asked me to redo it, and I'm not sure if she ripped it or created it originally...