He is persuasive precisely because fear never leaves him before courage shows up.
Zenitsu panics loudly until the pattern turns deadly; believe him once, and fear becomes the clue that wakes the train.
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He stands out because compassion never weakens his ability to act the instant action becomes necessary.
She does not need many words for the idea of protection to become very immediate around her.
Tanjiro can smell the scent of people who have lost their names, and after feeling compassion, he severs the demon's aura.
His strength lies in his resolve not being weakened by the need for kindness.
