A glowing sword. That's all you got.

[He sounds very unimpressed.]

I mean, I'm sure you use it well, but will it be enough? Using that could just be like using a letter opener against a bear.

[he shakes his head.] Common sense is my evidence. These are goddesses. They are tied to the world. Therefore, you kill both, and what happens to the world their powers governed over? I mean, we're talking two plus two equals four logic over here, it's not rocket science.