The exciting part of Will being able to discourage Nyx - the primordial of Night - by shooting a light beam from his chest is the implication that Will has the ability to hurt Nico.
Percy Jackson doesn’t pass The Reverse Bechdel (is that how you spell that?) Test. Even when he had amnesia and didn’t know what his own name was, when he didn’t know who his was, nor where he came from. Hell, he didn’t even know that he was a demigod!
Rick Riordan's peak "fuck you" to everyone who complained about casting would be letting Annabeth tease Percy for being a dumb blond, which honestly would fit her character perfectly