User blog comment:Vlad7399/Highschool DXD EoS Main Characters/@comment-24502975-20141009135646/@comment-24468758-20141017151555

At least Issei and Vali are candidates for the top 10. Vali for his blood and DD and Issei for BG and the power of Great Red and Ophis that he attained together with his new body but can't access at the moment.