Both Enel and Auger Ogi are released in round 9 before their turns to empty their Ogi bars, starting to build up new ogi bar from round 9.
After each of their attacks, ogi bar should build up 25%. For enel, as one would expect, Ogi bar is full in round 12 (4 rounds). However, Van Auger doesn't max Ogi until round 13.
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Actually that screenshot is quite old. They already nuked his Ougi and reduced it to 30% crit...