In Thanos' invasion, Doctor Strange used the Darkhold to dreamwalk through the Multiverse in search of a possible solution to the conflict. This led to the destruction of an entire reality due to an Incursion. With Thanos already dead, Strange confessed to the rest of the Illuminati that he had destroyed a reality by asking the rest of the team to kill him to protect the Multiverse. Due to Strange's death, the mantle of Sorcerer Supreme was given to Mordo who also joined the Illuminati.
- Mystic Arts: Mordo is an accomplished practitioner of the mystic arts. Many of the feats this knowledge confer come from manipulating extradimensional energy to control matter.
- Skilled Martial Artist: Mordo is a highly skilled martial artist in both armed and hand-to hand combat.
- Chiwetel Ejiofor portrayed Baron Mordo in the film Doctor Strange in the Multiverse of Madness.