Understanding your limits? Maybe I am misinterpreting your post but isn't it against what a main theme in battle shonen? Doing your best to surpass your limits against adversity? How does it work? I am curious.Vote for World Trigger. It's awesome!
It has pretty awesome fights that revolve around the use of logic and team strategy. It especially takes full advantage of the fact that they use artificial bodies to fight.
Also, has a story revolved around the importance of understanding your limits. Understanding the amount of work and time it takes to get better and be able to achieve what you want. And about looking at things with more than one perspective.