User blog comment:B214/High School DxD EX/@comment-177.142.210.225-20151106132854/@comment-36.70.148.108-20151110082147

Don't forget that his power is still growing. Airi may be the strongest, all and all, but even she hinted that Ix has better potential and the only one capable of succeeding Issei as the Sekiryuutei (Yeah, he can solo Loki if he was not interfered in Chapter 1 and 2