Oh, well you did a great job of implementing your own unique system. I played Hades and I didn't make the connection XD
Also, I just noticed from the gifs on the itch page that you can shoot into his back. I didn't realize that during the game and I was only shooting into the top of his head. But it still felt fair though! I'm not bad at FPS games. I'm not a pro either. But the difficulty felt good for me.