You have learned how to block your opponents attacks, but more importantly you have learned when it is best to get out of the way.
Your DEX score increases by 1.
When you are hit with an attack, you may use your reaction to add +3 to your AC by rolling back, left or right 5ft. However at the start of your next turn your total speed is reduced by 15ft, and you have disadvantage on your next attack against the creature that hit you until the end of your next turn.
If the attack still hits, the damage is halved.
Alternatively you may decide to add only +1 to your AC by dodging back 5ft, which only reduces your speed by 10ft and does not impose disadvantage on your next attack.
Your attacker may choose to follow you, gaining +5 ft of movement if they have no movement left in their turn. They must use this movement to move within engagement range of you.
If you are not able to move anywhere, you may not use this ability.
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