User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-92.21.29.42-20190623153730/@comment-181.115.108.184-20190624014047

Saji,Riser,Cao Cao,Kiba,Sairaog and Vali. As for the others such as Dulio or Tobio, they have expressed a desire to fight him but they haven't declare themselves as Issei rival such as the ones i name, as far as i remember. But to be honest i only see Vali as his true rival not just because of the "rivalry of the 2 HD" but because he's the only one that can match his power. I just feel the others are outclassed by Issei right now.