Chaos rune

Chaos runes are used in the Magic skill for many spells in the Ancient spellbook, and in the Standard spellbook.

Obtaining

 * Chaos runes are dropped by a large amount of monsters, see the Drop list for more information.
 * Buying them off other players, see the Market for the current price.
 * Buying them from Zaff
 * Chaos runes can be made with the Runecrafting skill using the teleport at the Abyss
 * They are received as a fairly common loot from the Barrows chest.

Spells
Chaos runes are needed in certain combat spells and some other non-combat spells.

Trivia

 * Some Magic spells that use the Chaos rune currently do not work. It is not known if these spells will ever be fixed.