"Only one way to find out, then." He activates a cantrip, causing the bow to crackle with electric energy, and then he charges at the other robot. He is clearly intending to use the bow as a bludgeoning implement and clearly hoping that the electricity is going to do something.

He also seems a bit happier than he's seemed this entire mission, because trying to bludgeon something with a highly impractical bludgeon just feels right.