Phi was born smart, and because of it joined Psi in being a pirate. He defeated Nu by shooting cannonballs at him while Psi sword fought him.
Music: https://www.youtube.com/watch?v=UA4O1JQVlRc&list=PLpXnJosOQVEuetP68xZxROFhyMDKaeLiv&index=12&t=0s
