backbiter

“It’s my fault, Mama. I did a really mean thing to Emily, and I’m a backbiter, and I’m going to be punished...”

He crumpled to his knees and dropped Backbiter.

I knocked Backbiter out of Luke’s hand, and it spun into the hearth.

His scythe began to change, until he held Luke’s old weapon, Backbiter, with its half-steel, half- Celestial bronze blade.

Kronos whirled to face her and slashed with Backbiter, but somehow Annabeth caught the strike on her dagger hilt.