Casio seemed rather shocked.
He had, in truth, already understood significantly about the power of Retrospective Ability. When he returned from the Era of Retrospection to the Real World, Casio would bring back the gains from his enhancements in the Era of Retrospection. However, when he moved from the Real World to the Era of Retrospection, he couldn't bring anything except his insights, experiences, and Boxing Method realm.
He could still only use the body of the Antique's owner at the Obsession Node point, with only a replacement of the soul and spirit.
However, it seemed an unexpected change had occurred now.
