Additional behavior: Infusing one Heavens' Eye Materia I will behave as if it is the 10th such materia infused, and the second will infuse at a rate of 60%. Successfully infusing the second Heavens' Eye Materia I will behave as if it is the 11th, and will prevent all further infusion of Heavens' Eye Materia I. The third infusion will require a Heavens' Eye Materia II, which correctly infuses at a rate of 100%