His weakness ( Dean winchesters Daughter)

I grunted as I rolled onto the floor. " Touch him, and Ill fudging kill you" I grunted out. The Demon, who was my Aunt Don, turned from Dean, a sick smile came to her Face. " So the half-blood speaks, Sorry oh great goddess-" she paused, Turned her head to look at Dean. " - Or should I say, ' Oh great huntress?'" She said laughing. " After all you do take after daddy." She said with a sick look. " Lets see how well your Protector instincts are." With that said, she lifted Deans head, His eyes met mine, holding eye contact as Don went to Snap his neck. I Opened my mouth, letting out a loud Roar that shook the house. With the shotgun in my right hand I stepped forward. " Didnt I say ill kill you if you touched him?"