OOC: Your character can break the pin at any time if you feel uncomfortable, or if you feel like this is powerplaying. Of course, that would also spoil the plot.
Halofire ducked back to avoid the blow, then pressed the tom's foreleg down to prevent further blows. He held up his other foreleg, extended the claws, and looked at them a moment, before pressing one of them deep into the intruder's shoulder. He slowly began to draw it across, leaving a thick trail of blood. If that doesn't make him leave, nothing will. But he got no pleasure from it. It was painful to cause pain -- particularly to a kittypet -- but intruders had to be driven off at any cost. The Warrior Code had to come first.