User blog comment:B214/Question and Answers 4/@comment-4547267-20141123021628/@comment-1359322-20141124113038

Both Odin and Sun Wukong has stated that their strength is weaker than the time in their prime. The only thing that gives them the advantage is their experience solely. Even Sun Wukong mentioned that Issei and Vali are now stronger than him in terms of power.