The Mystic Urn gives full health immediately, it has no effect if the charater is already at full health and will remain where it is for later use. These should only be used if health is really low (less than 25%) otherwise it would be a waste use flasks instead. 

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.