In "Magicka", which two elements are combined to cast the spell, "Nullify"?

The combination of Arcane and Shield elements is used to cast the spell "Nullify" in Magicka because the Arcane element represents all magic and the Shield element represents defense and protection. By combining these two elements, the spell allows the caster to nullify or negate magical effects or barriers, effectively neutralizing or canceling them out. The Arcane element provides the power and manipulation of magic, while the Shield element provides the necessary defense to counteract and nullify magic.