Survivor

This subclass is built around the action surge, this is version 2 so please let me know of any critiques you may have, and remember to have fun.

Pushing Limits

3rd-level Survivor feature

Starting at 3rd level you can now action surge an additional number of times equal to your proficiency bonus, for each action surge you use past your normal amount you gain a point of exhaustion. In addition all your opportunity attacks are made at advantage.

Battle Scared

3rd-level Survivor feature

Starting at 3rd level while you have exhaustion you deal an additional 1d4 bludgeoning damage for each point of exhaustion you have. You also have advantage on all skill checks while in combat.

 

Breaking Limits

7th-level Survivor feature

Starting at 7th level while under the effects of a disease or sickness magical or not, you gain resistance to all non magical damage, and increase your movement speed by 10ft.

Getting up from being prone now only cost 5ft of movement, in addition you can forgo one use of an action surge to heal 1d10 + Fighter Level.

Freak of Nature

10th-level Survivor feature

Starting at 10th level you no longer feel the effects of exhaustion as long as you only have 5 points or lower, you can disengage as a bonus action, and you gain one of the following condition immunities.

-Frightened, Paralyzed, Blinded, Deafened, or Stunned.

 

Limitless

15th-level Survivor feature

Starting at 15th level while below half health you have advantage on all saving throws. If you action surge 3 times in combat your melee weapon attacks now deal an addition 1d6 fire damage for the rest of combat. 

You can forgo one use of Action Surge in order to end any status effect on you such as poison, paralysis, or similar effects.

Force of Nature

18th-level Survivor feature

Starting at 18th level when you action surge increase your strength score by 5 until the end of your turn. You heal 1d10 + Con mod at the start of each of your turns. You also gain access to one of the following benefits.

-Legendary Resistance (1/day)

-Tough Feat

-Resilient Feat