A Vial is a glass container used primarily for Herblore in the dungeons of Daemonheim during Dungeoneering. They may be bought from the Smuggler for 10 coins. A player can fill a vial with water by using it on a water source (all the vials in their inventory will fill automatically) and so these will become vials of water. They have the same uses as a standard vial. When a toolkit is bought, a vial is one of the items included. This item has no use whatsoever for free-to-play, and is only good for selling. Filling it with water does not affect its sell price.