Nether portal - minecraft wiki - gamepedia, A nether portal is a manufactured structure which acts as a gateway between the overworld and nether dimensions. it is built as a frame of obsidian (4x5 minimum.How to build nether portal for minecraft pe, Step 1: what you will need. you need 1x nether core reactor 4x gold block 12x cobble stone. How to break into obsidian blocks and protected chests on, How to break into obsidian blocks and protected chests on minecraft. even if there's a giant block of obsidian, you can figure out a way to exploit a glitch that will.