User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-2601:87:8300:20D0:B08E:C24F:5255:F0A2-20181220185657

Issei said in the end about hoping nothing will happen in Kyoto(FLAG ALEET). Here's an example:

A group or faction of heroes who idealized Cao Cao or his ideals attacks Kyoto lead by female descendent of a hero, but in end beaten by Issei's group and was moved by him and joined his peerage as his Knight.