[Gokudera looks on, completely bewildered. He watches the glitter flutter and just blinks, clearly struggling to process that this guy is just offering a potion he doesn't have for free to him.]

You don't even know my name!

[What if he knows someone else who's cursed and he's just looking to keep the potion from them?! He's not, but what if?! This guy doesn't know him!]

If you win! I'll have to pay you back some way! There's no way I could accept a potion as an apology! We'll... we'll train together! That way there's no loss!