3rd-level fighter optional feature
If you have access to maneuvers, the following maneuvers are added to the list of options available to you. Maneuvers are available to Battle Masters but also to characters who have a special feature like the Superior Technique fighting style or the Martial Adept feat.
Ambush
When you make a Dexterity (Stealth) check or an initiative roll, you can expend one superiority die and add the die to the roll, provided you aren't incapacitated.
Bait and Switch
When you're within 5 feet of a creature on your turn, you can expend one superiority die and switch places with that creature, provided you spend at least 5 feet of movement and the creature is willing and isn't incapacitated. This movement doesn't provoke opportunity attacks.
Roll the superiority die. Until the start of your next turn, you or the other creature (your choice) gains a bonus to AC equal to the number rolled.
Brace
When a creature you can see moves into the reach you have with the melee weapon you're wielding, you can use your reaction to expend one superiority die and make one attack against the creature, using that weapon. If the attack hits, add the superiority die to the weapon's damage roll.
Commanding Presence
When you make a Charisma (Intimidation), a Charisma (Performance), or a Charisma (Persuasion) check, you can expend one superiority die and add the superiority die to the ability check.
Grappling Strike
Immediately after you hit a creature with a melee attack on your turn, you can expend one superiority die and then try to grapple the target as a bonus action (see the Player's Handbook for rules on grappling). Add the superiority die to your Strength (Athletics) check.
Quick Toss
As a bonus action, you can expend one superiority die and make a ranged attack with a weapon that has the thrown property. You can draw the weapon as part of making this attack. If you hit, add the superiority die to the weapon's damage roll.
Tactical Assessment
When you make an Intelligence (Investigation), an Intelligence (History), or a Wisdom (Insight) check, you can expend one superiority die and add the superiority die to the ability check.