I did tell you to prove it to me that you were capable of forging a blade. What if I told you I'd only show it to you if you could make something better than this?

[He's actually got a blade strapped to his back a-la Mirai Trunks style, which he unsheathes and hands to her for inspection. The markings on it would indicate it was made by a god from modern day Earth, Ho-Musubi, the Forge's Hammer, a gift from a divine friend of his who was related to this god.]

I'm willing to bet you couldn't come near this level of craftsmanship.