I wrote a DxD crossover and would like some feedback

Hi!

I wrote a DxD crossover with Elden Ring, and I was hoping to receive some feedback on it. It hasn't proven very popular, and I wanna know why. Is it the premise? The writing? A mix of both? Anything will help.

Name: Rise, Ye Tarnished

Link: https://archiveofourown.org/works/69181006/chapters/179312201

Summary: