Catalytic rune

Catalytic runes are generic non-elemental runes. Each rune can act as one of the non-elemental runes (e.g., mind, chaos, death, blood, nature, cosmic, law and soul). They are used in the Fist of Guthix minigame. At the beginning of the game each player receives 300 catalytic runes along with 1,000 elemental runes. They can only be used to cast combat spells within the minigame.