You can spend 10 minutes sharpening weapons and repairing armor, which can be done during a Short Rest. When you do so, choose one of the following benefits.
Hone Weapons
You can hone up to five weapons. A honed weapon has Advantage on attack rolls. Once a honed weapon deals damage, it is no longer honed.
Reinforce Armor
You can reinforce up to five suits of armor. A creature wearing reinforced armor has Resistance to Bludgeoning, Piercing, and Slashing damage. Once a creature wearing reinforced armor takes Bludgeoning, Piercing, or Slashing damage, the armor is no longer reinforced.