A vial of purple mist is an item used in the Dimension of Disaster Curse of Arrav subquest. It is created by using blue dye on a vial of red mist. It is used to be able to get into Zemouregal's bedroom in the castle in New Varrock to obtain the vault key.
| Final subquest of Dimension of Disaster | |
| NPCs | |
| Enemies |
 Sharathteerk Zemouregal |
| Items | |
| Rewards |
 Agility XP lamp Crafting XP lamp Combat XP lamp Farming XP lamp Magic XP lamp Ranged XP lamp Thieving XP lamp |
| Locations |
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| Music |
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| Miscellaneous | Quick guide • Transcript |
