One vial of this oil can coat one Melee weapon or twenty pieces of ammunition, but only ammunition and Melee weapons that are nonmagical and deal Slashing or Piercing damage are affected. Applying the oil takes 1 minute, after which the oil magically seeps into whatever it coats, turning the coated weapon into a +3 Weapon or the coated ammunition into +3 Ammunition.
This clear, gelatinous oil sparkles with tiny, ultrathin silver shards.
RollQuest summary 1 minute to apply. Coats one nonmagical Slashing or Piercing Melee weapon, or twenty pieces of ammunition, turning it into a +3 Weapon or +3 Ammunition.
RollQuest ships the D&D 2024 SRD as a content pack, on a 5e character sheet that does the maths - roll from the sheet and let the numbers work themselves out. Free to start.