Ah yes, he awoke that sword. And there might me some people outside the arena who's still awake think that it was the useless princess.
And i can see when all the clusterfuck mess is ended, he returned the sword, the princess got the credit, and he still hiding his power. But i hope i'm wrong..
@Haraken I though she was just a hidden maid at Back at Chapter 17 but, he knew as far back as Chapter 8 that holy alliment check Detect Evil And Good & Perceiption must be Nat 20's.