=====Mark of the Undying=====

===Thick Skin===
At 3rd level, until your rage ends, you gain a +2 bonus to AC.

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===Shrug Off===
Starting at 6th level, your rage can protect you. If you fail a saving throw while raging, you can reroll it, and you must use the new roll. You can use this ability only once per rage.

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===Relentless Rage===
Starting at 10th level, your rage can keep you fighting despite grievous wounds. If you drop to 0 hit points while you're raging and don't die outright, you can make a DC 10 Constitution saving throw. If you succeed, you drop to 1 hit point instead.

Each time you use this feature after the first, the DC increases by 5. When you finish a short or long rest, the DC resets to 10.

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====Unstoppable Fury====
Beginning at 14th level, the relentless power that fuels your rage allows you to shrug off fatal blows.

While you're raging, having 0 hit points doesn’t knock you unconscious. You still must make death saving throws, and you suffer the normal effects of taking damage while at 0 hit points. However, if you would die due to failing death saving throws, you don’t die until your rage ends, and you die then only if you still have 0 hit points.