It can be bought from Wizard Elriss in the Runecrafting Guild for 41 Runecrafting guild tokens. To earn these tokens the player must have level 50 Runecrafting to enter the guild and play The Great Orb Project minigame located there. Additionally the player may only break the Astral altar teleport if they have completed the Lunar Diplomacy quest. This teleport may also be useful for teleporting to Lunar Island and for accessing Lunar spells at the astral altar.