User blog comment:B214/Volume 21 info & spoilers/@comment-26345952-20160711012832

If you are saying that his boosted power would be wortheless yes.

But Diehauser evades Isseis attack with [Pentrate] because he knows that he cant defend himself against it.

While the power that is boosted might be worthless, with penetrate might be a different story. If it lands it will go full force weather is his CxC power up or boosted