How much items do you need to make ultima weapon?

To create the Ultima Weapon in the Final Fantasy series, specifically in games like Final Fantasy VII, you typically need a combination of rare items. In FFVII, for example, you require 1 each of the items called "Master Magic," "Master Summon," and "Master Command," along with rare materials like "Ultima Weapon" and various other components. The exact items can vary slightly depending on the game installment, so it's essential to consult the specific game's guide for precise requirements.