Rune sword

The Rune sword is a sword stronger than the adamant sword. It can only be used in combat. It is also the strongest sword available. Players can make a rune sword with the Smithing skill at level 89 using 1 rune bar, giving the player 75 Smithing experience.

Rune swords are sold in the Champion's Guild, and are dropped by certain monsters. They can also be obtained from level 3 Treasure Trails.