Bleach Manga thread (SPOILERS)

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So, did we ever get a reason why ichigo has forgotten how to turn reiatsu into pure strength like he did that time? Because it's not like he did any physical training then :/

I don't really remember that part.

I think it was to show that Ichigo was that much above Aizen that he couldn't even feel Ichigo's reiatsu.

Aizen was muttering like a fool that whole fight.

Though, I could be wrong and Ichigo really did trade off his reiatsu. I don't really remember.