“My knife.” Annabeth tried to raise her dagger, but it clattered out of her hand. Her arm was bent at a funny angle. She looked at me, imploring, “Percy, please…” I could move again. I surged forward and scooped up her knife. I knocked Backbiter out of Luke’s hand, and it spun into the hearth. Luke hardly paid me any attention. He stepped toward Annabeth, but I put myself between him and her. “Don’t touch her,” I said.