Sweeping Attack is a Class Action available to Battle Master Fighters
Description
Swing your weapon in a rapid, sweeping arc to attack multiple enemies at once. Roll you superiority die for damage.
Properties
Action + 1 
Superiority Dice
Attack roll
Damage:
1d8
At Higher Levels
At level 10 the damage increases to 
1d10
How to Learn
Classes:
- Level 3: Battle Master Fighter
- Level 4: Any class with the
Martial Adept Feat.
Notes
- The damage is only 1d8/1d10, NOT weapon damage + 1d8/1d10.