The recipe is incorrect when it says Crystal + 2 ingots = 4 chains. 4 chains from this recipe is the result of a HQ3. NQ is 1 chain, HQ1 is 2 chains, HQ2 is 3 chains, and HQ3 is 4 chains. The recipe on here only shows the result for HQ3 which is not what you are going to get with every synth.