Minecraft wiki entry for Development_versions, associated text: Named "Work in Progress" ingame.
By building a pyramid composed of storage blocks such as emerald blocks or diamond blocks and placing this block on top, the player gains access to several powers.
A full pyramid can provide level II powers, should the player select the level I variation in the primary powers section.
It cannot be crafted, although a crafting recipe is planned.
It can be obtained via the "Miscellaneous" tab in the creative inventory, or with the /give 138 command.
The minimum range is 16 blocks.
Gives off a light level of 15.
Players within the blocks' range will be given the selected effects every 4 seconds.
The best configuration of blocks requires 164 blocks.