[It turns it's arm into a normal hand now, with a huge gloating grin on it's face.]

Maybe next time you'll learn your opponent just a liiiittle better before mouthing off. Because the next time I decide to strike like that I'm gonna behead you, you little prick.

[It's speaking as if it was holding back with that strike when it... really wasn't. But shhhh he doesn't have to know that.]