How can a war fight make diamond knives?
Place the iron knife in the center of the square, then place a diamond on the top of the iron knife, and then place the two diamonds on each side of the iron knife. The diamond knife is finished.
If you have no iron knife, it will be a bottom of a stick on the squares of the most left, then turn to the top of the first and second grid lattice into two pieces of iron, iron knife is complete.
