This is a Fighter class feature. See Action Surge/Options and Action Surge/Upgrades.
You can push yourself beyond your normal limits for a moment.
- On your turn, you gain 3 additional AP.
- Once you use this feature, you must finish a short or long rest before you can use it again.
- Whenever you use Action Surge, you may choose one option to enhance your Action Surge with:
Adrenaline Surge
An intense burst of adrenaline shoots through your veins.
- You may remove one point of exhaustion. You also gain resistance to bludgeoning, piercing, slashing and poison damage until the start of your next turn.
Battle Surge
The momentum of battle keeps rising, the crescendo bursting with power, granting you new vigor.
- You gain advantage on weapon attack rolls made with your extra action. You also gain temporary hit points equal to your level.
Time Surge
Time seems to halt for a moment, giving you time to analyze your surroundings.
- Your base speeds are increased by 3 meters and all attacks of opportunity against you have disadvantage until the start of your next turn.
- You can use Action Surge twice before a rest, but only once on the same turn.
- You may also choose one upgrade below to enhance your Action Surge with permanently:
Endless Stamina
Your fighting spirit is endless, each blow traded only gives way for new surges of martial power.
- You may gain an extra use of Action Surge at the cost of exhaustion.
- Suffer one level of exhaustion for each time this feature is used this way, until you finish a long rest.
Ki Surge
You tap into something unknown and powerful, pushing your normal capacity beyond its limits. Embodying you with a will of steel, a mind of determined resolve and a body like flowing water.
- You gain the effect of Step of the Wind during your Action Surge. You also gain proficiency in all saving throws until the start of your next turn, and gain advantage against effects that cause Charmed and Frightened.
Limit Break
Your body reacts with instincts from years of training, making a last effort to persevere.
- As a reaction, you may activate Action Surge and take that action immediately. Until the start of your next turn, you can not be reduced to 0 hit points.