up:: [[Weapon Mastery Properties]] > [!quote] Player's Handbook 2024 p. 214 > "If you hit a [[Creature]] with this [[Weapons|Weapon]] and deal damage to it, you can reduce its [[Speed]] by **10** feet until the start of your next turn. > > If the creature is hit more than once by weapons that have this property, the [[Speed]] reduction doesn't exceed **10** feet."