I'm with Clarity and Moonlit on this one, although, I'd say that both Twilight and Sunset are both equally powerful in magic, just with different styles of learning as Clarity pointed above and they are both more powerful than Starlight. By the way, I'd never choose one over the other. NEVER EVER. It'd been very out-of-this-world AWESOME to see them fight Starlight and send her to Tartarus though. The only reason Twilight wasn't able to defeat Starlight was because Starlight had knowledge about magic that Twilicorn didn't, whichmade it harder for the fair princess to defeat the communist.