When you spend a charge of Inspiration to gain a Bonus to an attack roll with this weapon, the Bonus is increased by +1
You can reroll an attack roll you make with this weapon a number of times per Long Rest equal to the Tier of the weapon, with all of the Advantage, Disadvantage, Bonuses, and/or Penalties as the original roll. You must take the result of the reroll, even if it is worse.