The Master Key is an item in Adventure World. It is used in Save Malcolm! to open a door in order to escape, by placing the key in the Master Keyhole.
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.