Offer a competition of another kind

You smirk, your new toy was on the back foot now, at you had just the idea how to capitalise on your advantage.

"Okay little imp, let's have another competition, this time let's see who's got the more potent seed." the imp seems confused for a sec, and you can see the cogs whirring in his little head, before a smile that's not quite reaching the eyes appears on his face.

" I accept, shall we go together or one at a time? "