The ability to enter a state of self-induced tranquility. Not to be confused with Apathy. Opposite to Feral Mind.
Nerves of Steel
Soul of Ice (Ranma 1/2)
User can remain calm in virtually any situation, allowing them to think with perfect clarity even when under extreme emotional or physical distress. Users can endure mental stress, and can be essentially immune to emotional manipulation and highly resistant to torture.
Combination with Feral Mind, that allows the user to channel the power of their rage while maintaining absolute control. Users of this ability can attack with the relentless strength of a madman, while gaining the speed and precision of a surgeon.
Zommari Rureaux (Bleach) meditates to keep calm and possibly being arrogant due to being the fastest Espada.
Shūkurō Tsukishima (Bleach) maintains his composed nature, even when overwhelmed and injured in battle.
Sosuke Aizen (Bleach) is completely calm and composed even in the midst of intense battle.
When using Ultra Instinct, Goku (Dragon Ball Super) gains a clear and tranquil mind, giving him automatic and instantaneous reaction to any threat with the most suitable and seamless means to defend and attack.
Meliodas (Nanatsu no Taizai/The Seven Deadly Sins) Just before regaining his original power, he gained full control over his furious wrath.
As a mercenary ninja, Zabuza Momochi (Naruto) had attempted to suppress all emotions, and would stop at nothing to fulfill his mission.
Van Augur (One Piece) is extremely calm and analytical even during battle.
Doflamingo (One Piece) is one of the most carefree characters in the One Piece world.
Basil Hawkins (One Piece) portrays himself in a noble and enigmatic manner who remains completely calm regardless of situations.
Kizaru (One Piece) is calm, very laid-back and easygoing.
Trafalgar Law (One Piece) is extremely laid-back who is nearly always seen calmly smiling.
Nico Robin (One Piece)
Dracule Mihawk (One Piece) is one of the most serious characters in the series and never unnecessarily reveals emotions on the battlefield.
Karasu (Yu Yu Hakusho) is calm and collected.
Kurama (Yu Yu Hakusho) is calm, calculating, cunning and analytical.
Shinobu Sensui (YuYu Hakusho)
Younger Toguro (Yu Yu Hakusho) displays a calm and relaxed attitude.
Clear Note (Zatch Bell!) is able to do sadistic and evil actions in a remarkably calm manner.