Potion of Permanence

Rare Wondrous Item (potion)

This potion does not move at all unless the stopper is open.

Forever

As an action you can mix this potion with one potion of rarity Rare or lower. Drinking the mixture will cause the potion's effects to become permanent per the potion miscibility (00) rule. Potion effects extended by this potion can be suppressed via Antimagic fields or undone by Wish, or similar magic.