The dark relic is a possible reward from the Chambers of Xeric. It has a Commune option which will result in the chat box stating A dark power emenates from the relic. You sense that this power can be directed.
The player can then receive experience equal to 150x the player's level for skills used in the Chambers of Xeric (combat skills, Mining, Woodcutting, Herblore, Farming, Hunter, Cooking, Fishing, Thieving, Firemaking and Agility), and 50x for other skills.
Trivia
- A dark relic can be found sitting on a table in the Library Historical Archive. Attempting to commune with the relic will cause Istoria to stop the player, stating that its power is being studied.
- The relic appears to be a combination of the ogre artefact and the strange device.
