Tai sabaki is a term from Elven martial arts and which relates to 'whole body movement', or repositioning. It can be translated as body-management. Tai sabaki is usually used to avoid an attack, such that the receiver of the attack ends up in an advantageous position and it is often wrongly referred to as evasion.
As a Bonus Action you can ready your stance and giving the next creature disadvantage on their to hit on you. If a creature misses their attack on you on their turn, you have advantage on rolls against that creature until the start of your next turn. If the creature tries to grapple you on their turn, they have disadvantage on their grapple check.
If the attack is a Dexterity save , you have advantage on your roll against the dc.
Charges are = to Your Dex Mod + Proficiency Mod per long rest
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