[[Image:Spells_n_Magic_Artwork.jpg|right|thumb|400px|Schematics and notes about Magic from the [[Diablo I Manual]].]]The primal arcane magical force that pervades [[Sanctuary]] is usually called "[[Mana]].". Individuals skilled in sensing this power can channel the spiritual essence stored in their bodies through different techniques in order to accomplish great feats that they would be physically incapable of doing. In Sanctuary, there are several divisions of magic, and great [[mage clan]]s dedicated to learning all the secrets about this force.

Magic is not commonly accessible by just any man, but some people can use a minor degree of magic power to do very basic things. A very small minority of people have the additional magical spark and the great willpower required to control magic in a way that is more significant in effect. The culture of the [[Western Kingdoms]] is more negative to toward magic than the [[Eastern]] ones, while they still hone the art of [[potion]]-crafting, which involves some magical components. Across the lands there are also remnants of old, and magical items like [[ring]]s or [[amulet]]s that can still be found and used.

The two primary planes of reality are the [[Physical plane]] and the [[Ethereal plane]]. The visual effects of magic becomes apparent when the two planes interact with each other and creating create turbulence. Some scholars try to explain the interaction of the two by liken likening the physical world with the sky and the Ethereal realm of magic with the ocean. sky, and The appearance of spells are much like the turbulence that occurs where the two interact with each other. During the [[Sin War]], [[Demon]] and [[Angel]] alike wrought powerful magics that threatened to tear the fabric of reality apart. The physical and magical realms began to blur and merge, which in this example would be the equivalent of a fierce hurricane.