C1008 Say Goodbye to the Future

The Eye of Agamotto was a secret treasure that had been passed down and guarded by the people of the Kamar-Taj for many years. Only the "Sovereign Mage" could use it.

In other words, all the Mages who were recognized by the Eye of Agamotto would become the Sovereign Mage. Sometimes, even the current Sovereign Mage did not have such a privilege