Wow! An expensive item to synthesise. I would suggest getting 4 stacks of fire crystals. Use 1 stack to camp at smithies guild, buy iron ore and create 2 stacks of Iron Ingots. Iron ore costs between 600-800 per ore. So 1 ingot may set you back based on a price of 800 each, 4 are needed for 1 ingot price per ingot is (3600) so if we cost the price of 12 iron ingots that would be 3600*12 = 43200 per stack. Since you need 2 stacks of these, 1 stack of ingots and 1 stack of iron sheets (fire crystal+iron sheet) your looking at 86400 for 12 Baghnakhs. Time to find out for yourself, if you can make a profit from this. To make a profit i would guess you would need to sell or these NEED to sell for more than 8k each at ah. Really there is no other way to do this cheap, unless you mine your butt off. Smithing isnt all that cheap and im still finding a way to get hold of cheap iron ingots. I will keep you posted on this.