The execution and follow through of your strike is exquisite with not an iota of force wasted.

When you activate this maneuver, you take the Attack action and make a weapon attack, as well as any additional attacks granted by Extra Attack. Until the start of your next turn, your weapon attacks score a critical hit on a roll of 19–20. 

If you already have a feature that increases the range of your critical hits, your critical hit range increases by 1 (maximum 17–20). 
 

You feed off the adrenaline from a solid strike and turn that energy into frenetic movement.

Move up to your Speed and make a melee weapon attack against a creature. On a hit, for the next minute your Speed is increased by 10 feet.

All your training culminates in this lethal attack. You deliver the perfect killing blow with a single secret technique.

You move inexorably forward with an attack which cannot be stopped by blade or shield, forcing your opponent back.

Make a melee weapon attack against a creature. Whether or not you hit, the creature is pushed back 10 feet.

Deftly surging forward and weaving around your opponent, when their attack fails you quickly move around your foe and force them to stumble.

You nearly lose

Utilizing reflexes perfected by dedicated training, your body flows into a sublime strike almost without a thought.

When your exertion pool is not empty, you can use your reaction to make a melee weapon attack.

Withdrawing into your mind, you focus and concentrate to steel your nerves.

Focusing your thoughts inward allows you to rise above the pain of wounds inflicted upon your body.

Until the start of your next turn, reduce any damage you take by 2.

Nothing within your sight is of minor significance and you take in your surroundings with great care even as arrows fly and blades clash upon shields.

By relying on your training and countless hours of repetition, you can easily manipulate the battlefield to position yourself where your strikes are able to inflict the most harm.

Your weapon attacks score a critical hit on a roll of 18–20. If you already have a feature that increases the range of your critical hits, your critical hit range increases by 1 (maximum 17–20).

With a series of low steps and somersaults you expertly maneuver around opponents.

You tune your senses, focusing on the fight at hand.

After striking your foe, you twist the blade.

When you hit a creature with a melee weapon attack on a roll of 18 or 19, you can use your reaction to turn the attack into a critical hit.

Seizing on the surge of adrenaline that comes from suffering a severe blow, you lash out with a vengeful strike.

When a creature makes a critical hit against you using a melee weapon attack, you can use your reaction to make a melee weapon attack against it.