Claws of Guthix is a magic battle spell that requires a minimum of level 60 magic to use. It is one of the god spells and requires completion of the Mage Arena miniquest in order to be cast. It must be casted 100 times in the arena before it can be used outside. This spell requires 2 Blood-Runes, 1 Fire-Rune and 4 Air-Runes to use. You must have the Guthix Staff and Guthix Cape to be able to use this spell. If you have level 80 magic and cast the spell Charge, then this spell's maximum hit is increased from 18 to 25. When cast, this spell lowers your opponent's defense.
The spell is currently bugged, and only awards experience on the first cast on a target.