User blog comment:B214/High School DxD Hero Discussion/@comment-2208155-20180603175947

I heard this about one dxd interview here:

https://cho-animedia.jp/special/47731/

Hikasa says that life 08 (next week's episode) will be a real shocker to anime viewers as far as Issei and Rias's relationship goes, and that Issei vs Sairaorg is going to be the biggest thing in all 4 seasons of the anime