A few years ago I made a ruleset for running the Duel Arcane using the chase ruleset, with the aesthetics of the duels being giant over the top wizard battles. Since someone else posted their own version, thought it'd be good to post my own. My group found using this system a lot funner than the default, and it was even used in the Occultist's Anonymous's 'The Rookery' podcast after they felt the default system just wasn't what they were looking for. Link to the pdf.

Duel Arcane
While mages sometimes fight using normal spells, some situations call for something more meaningful...