"Each time a Breathing Technique reaches a new level, it undergoes a qualitative transformation. The next realm after mastering Total Concentration Breathing is Total Concentration Breathing that never stops—keeping your body in a state of Total Concentration Breathing every second of every minute."
Mu Yue began guiding Shisui and Obito through Constant Concentration training for their Breathing Techniques.
In the world of Demon Slayer, mastering Constant Concentration was the foundation for becoming a Hashira. It was an extremely crucial form of training that could greatly enhance physical abilities.
Constant Concentration training for Breathing Techniques adapted to the world of the Hokage was equally important. If they could master Constant Concentration, the ability to accelerate Nature Transformation would become permanent. In other words, their Nature Transformation would naturally be stronger than normal, and their physical abilities would also receive a tremendous boost.
Mu Yue's increasingly powerful body had a great deal to do with maintaining Constant Concentration in Stone Breathing.
"Huh? Keeping Total Concentration Breathing up all day? How am I supposed to do that? I couldn't manage it even if it killed me." Obito thought about the state he entered when using Total Concentration Breathing and found it hard to imagine.
Shisui looked at Mu Yue, equally puzzled. As a burst technique, how could Total Concentration Breathing possibly be trained to remain active twenty-four hours a day?
"It isn't as difficult as you think. Practice more, and you'll be able to do it." Mu Yue smiled. Given Obito's affinity for Flame Breathing, Constant Concentration would not be a problem for him at all.
"But right now, I can only maintain Total Concentration Breathing for four minutes." Obito felt that Mu Yue's "practice more" might mean practicing for another ten years or so.
"Constant Concentration doesn't require you to remain at