Quoted By:
Posted this in a previous thread
>Didn't someone post pics of the blue paint stroke behind the player's Pokémon's health bar changing? It was longer in one pic and noticeably shorter in another scene. That might be the ATB bar.
The thread archived before I got back to it, so here's the image I was referring to for those who asked for sauce. Not sure whether it's accurate or truthful--just something I found in one of the first threads about the atb gauge.