no. dont keep air slash, hes better off with wing attack, since air slash is sp atkIt depends what you want from it. Do you want it as a physical sweeper that can take anything down, or just a Fire behemoth?
Try this:
Flare Blitz
Air Slash
Earthquake
Swords Dance
is ariel ace in HG/SS? im not sur about if it is,
but if so than definetly, but if not than he'd have to trade form D/P/PT