Skill Runes
Runes are magical writing from unknown source, that will help heroes in their battle against Diablo and minions of Hell.
Diablo 3 Skill Runes
Runes in Diablo III are going to work differently than runes in Diablo II. They will no longer be socketed into items, like Diablo 2 runes, and there will not be any combination of runes to make RuneWords. They are now part of the character customization. You will enter skill runes for your skills/spells, which will affect how the these work in the game. A multiplying rune might make your spell fire additional fireballs, another rune might make the blast radius bigger etc.
Diablo 2 Runes
This is just part of the material available on this topic. The Diablo2Wiki Skill Runes article is available in the Diablo 2 wiki, which has a specific Diablo I and Diablo II focus. A lot of information unique to the first two Diablo games is available there. You can find it here:
- Diablo2.DiabloWiki.net/Runes Skill Runes.
Rune History
What do you really know about runes? The ones from our world comes from the ancient Vikings, and their "futhark" (equivalence of our 'Alpha Bet(a)'). They allegedly hold magic powers, and the magicks of the 'runa' are still practised today. These practices, called "Seden", are of course done mostly as a pastime, but some forms of the old runes were used in proper form as late as early 20th century in the 'Dalarna' area of Sweden...
In Sanctuary however, runes are definitely magically inscribed symbols. Though their use has changed slightly in the last 20 years, they used to grant (sufficiently prepared) items magical properties. For sages of these runes, magical RuneWords would be created to remake a mundane item into a Runic Item, with powers competing with magical artefacts.
Besides the fact that these supposedly ancient runes hold great and mystic powers, we know little about them. Who created them or how they are created is unknown. They seem to attract demons of different kinds, as they are often found on their corpses. If the runes are of demonic origin is not known either. They could have been the simple writing language of the first inhabitants of Sanctuary, who themselves were more powerful than Demons or Angels. Whatever the origin, they are of great use to heroes wishing to dethrone Diablo or Baal.