User blog comment:B214/High School DxD Hero Discussion/@comment-29963364-20180411014330/@comment-9307023-20180411160220

Guys, let’s not forget this episode was numbered zero, I don’t think it was meant to have the highest quality. I think Passione wanted to do this to be closer to the light novel. Also many believe BorN was supposed to be the last season with the its original story ending. That’s why things were changed from the light novel to give a more finished piece.