Step one on how not to get killed

Sirius waited, holding the stunned cat as Zee got close again, and then gathered the nerve to bite at the spoe he indicated. He heard the ripping sound as she snapped the tendon, and the creature yowled and flailed, even stunned as it was. It did manage to get one good bonk on Zee and he growled at it. Not that it listened, terrified and hurt as it was.

As Zee felt at her head, Sirius snapped the neck of the flailing cat, and pushed its body aside. “So you got the feel of the tendon? If your taking on something big larger than you, you need to hurt it bad and fast, and your speed will be your greatest strength” he said, feeling that was a good conclusion to the lesson. He then pulled her close, and gave her head a gentle lick. “My little warrior” he said softly.