User blog comment:B214/Volume 17 spoilers./@comment-24053170-20140220004506/@comment-1359322-20140220022747

Nah Sun Wukong is going to do another type of training for Issei, he's gonna have Issei battle the 6 Dragon Kings all at the same time. And Saji's going to be like "Hyoudou, you're dead." while Rias and the others all say "good luck" without giving any concern to Issei's worry.