Elder Artefact

The elder artefacts are a series of extremely powerful artefacts and weapons, whose origins largely pre-date the First Age of Gielinor, and have been the source of a large number of conflicts, both before and after Gielinor's discovery by Guthix.

Elder Weapons
A series of extremely powerful weapons, capable of felling a god and acting as a conduit for the transfer of power from one God to another or a mortal. Known elder weapons include the Staff of armadyl and the sword used by Guthix to slay Skargaroth

Other Artefacts
The Stone of Jas, an extremely powerful artefact, guarded by the Dragonkin. Contains untold amounts of power, and the ability to shape worlds.