+1 bonus to AC.
Use your reaction to impose disadvantage on a creature's attack against an ally that is within 5 feet of you.
Use your reaction to deflect a ranged attack with your blade.
Reduces damage by 1d10 +(Proficiency modifier) +(Dexterity or Strength modifier).
If the damage is reduced to 0 or less, you slice the projectile out of the air, destroying it.