"Oh, you always have to make such a big thing of how good you are, don't you?" the Master snarled. "Put that thing away. If I'd wanted to really hurt you I'd have got mine out, wouldn't I?"
He looked the Doctor up and down, anger blazing and drums pounding even harder than before. His lips peeled back in a mockery of a grin. "I don't feel better yet. So since you're offering..." He drew back his fist and piled it into the side of the Doctor's head, hard enough to fell him.