Apart from adding features, Mojang Studios has removed some from Minecraft PE (Pocket Edition). Two are the Nether Reactor Core block and the Nether Spire structure.

Crafting recipe for the nether reactor core block in Minecraft Pocket Edition (Image via Mojang) First, players were required to craft the nether reactor core block.

To help point these recipes out, here's a look at all of the interesting buildables that have been removed from Minecraft since its beginnings. Nether Reactor Core Via: maramokMCPE ...

One of the first major looks at Minecraft's overhaul of the Nether biome is available to play on the Java client now.