Magic Power

Magic Power is magic, obviously. It is used to power various items, such as the Fire Arrows and Ice Arrows. It is also used for the Lantern that you recieve in A Link To The Past.

Magic Power was first introduced in the third Legend of Zelda game, A Link To The Past, when Link finds the Lantern in his home. Magic Power can also be found in Ocarina of Time, Majora's Mask, and The Wind Waker.