Busoshoku Haki is a form of Haki that allows the user to use their own will power to create, in essence, an invisible piece of armor around themself, providing incredible offensive and defensive capabilities.
You gain an amount of Haki point equal to your proficiency bonus per long rest.
Hardening: for 1 point as a bonus action you can imbue your skin with your will giving you an extra +2 to your ac till the start of your next turn.
Imbuement: for 1 point as a bonus action you can imbue your weapon with your will allowing you to gain a +1 to hit with that weapon and deal an extra 1d4 damage for 1 minute. (An imbued weapon become classed as magical)
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