Frist off,you will need full diamond armor(exepct in cretion : p)one diamond sword,8 blocks of gold,one mossy cobble,one netherrack,4 redstone torchs, lastly flint and steel.
Place the gold in a 3 by 3 patten (with one block in middle open.)Then place the mossy cobble in the middle,with netherrack on top.Then light the nether rack.Finlly,place the redstone torchs on the gold,each not diagonaly.
Commet what happens.