A chest of plenty (also called bottomless chest) is a container that can be looted over and over by multiple players. Chests of plenty are considered rare, and only a few exist. Usually when there is a competition world you can find a chest or two there. It can only be looted once per player.
A chest of plenty looks just like a large chest.
How to Obtain
Players cannot obtain this item. Only developers can place them and program what they drop.
How to Use
As with any lootable container, simply click or tap it once to loot it. If you try to loot it again, you'll receive a notification that you've already looted it.
A list of chest of plenty locations can be found on the chest of plenty locations page.