The final sphere is the deepest: psychology. Being able to fight is one thing – knowing the mind is another. In Kokujitsuryu, psychological training includes shadow work, emotional control, reading intentions, and destabilizing an attacker before the first contact. This is mental 崩し (kazushi) – inner balance is broken. We train to see through fear, deception, and self-delusion – both in ourselves and in others. A clear mind and a pure heart become weapons just as real as fists or swords. True mastery means seeing the fight before it begins – and ending it before it becomes necessary.