Hero's Key

, also known as Hero Keys, are items in .
==Location and Uses==
A from the of , , and are required to enter the hero's door of .
They are obtained after first finishing the door of , then completing the , , and each with a minimum of 5000 .
==Trivia==
*In , isn't present within single-player mode. As only a limited number of sources exist on each randomly-generated map, obtaining enough for a often requires repeatedly defeating respawning enemies.
==Nomenclature==
==See Also==
*Golden Key
*Silver Key