His expression softens, "What a strange thing to say." He's highly doubtful she could outpower him. In his long life, he outpowered and outmaneuver humans time and time again single-handedly.

With their signatures written, he rolls the paper neatly with a twine rope and then puts it away in his coat pocket. He'll sealed it with a wax later in his office since currently he's eating supper with his human.

"Now that we have a pact, we're bonded." He smiles softly. "Now what's for dessert?"