Old School RuneScape Wiki
Old School RuneScape Wiki
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A Vial is made in the Watchtower Quest by adding jangerberries to a Vial of water.

Adding a guam leaf will cause the potion to explode, causing damage. The correct step is to use a Guam potion (unf) on jangerberries to create a vial made of jangerberries and guam leaf.


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