Kaecilius is a disciple of Baron Mordo, who delivers messages and even fight Doctor Strange himself if necessary. One of his first missions is to kidnap the Ancient One, a task he fails due to Doctor Strange's interference. At one point, Mordo possesses Kaecilius to test the powers of Dormammu.[2]
Kaecilius steals Strange's Cloak of Levitation before he erases Kaecilius's knowledge of magic.[3]
Kaecilius and his cohorts, Adria and Demonicus, pose as members of the Independent Video media network to interview Strange and gain access to the Sanctum Sanctorum. Claiming to be the cameraman Joe Crocker, Kaecilius is exposed and banished to the Purple Dimension.[4]
Many years later, he is freed and battles Strange and Jane Foster.[5][6]
During the Death of Doctor Strange storyline, Kaecilius is accused of killing Doctor Strange before being killed when a temporal clone of Strange uses him to resurrect the original. He would later be proven to have killed Doctor Strange.[7]
Powers and abilities
Kaecilius was trained in the mystic arts by his master, Baron Mordo.[8]
Kaecilius appears in Doctor Strange, portrayed by Mads Mikkelsen.[1] A combination of several villains from the comics, Kaecilius was used in the film to drive the introduction and development of bigger villains for the future, including Dormammu and "certain individuals who live in other dimensions".[9][10] This version was motivated to become a Master of the Mystic Arts after the death of his family, became disillusioned with what he considered the Ancient One's hypocrisy, and subsequently chose to serve Dormammu by using the same life-extending ritual his former master used to channel the Dark Dimension's energy. Believing in Dormammu's promise of eternal life, Kaecilius and his zealot followers destroy the Masters of the Mystic Arts' Sanctums to allow the Dark Dimension to consume Earth. However, Doctor Strange convinces Dormammu to renounce his attack on Earth, after which he drags Kaecilius and his followers into the Dark Dimension.[11][12][13]
An alternate universe variant of the incarnation of Kaecilius appears in the What If...? episode "What If... Howard the Duck Got Hitched?", voiced by Jared Butler.[14] He managed to take over the Collector's operations by sending him to the Mirror Dimension. Yondu learned of that when he brought the egg containing Howard the Duck and Darcy Lewis' unhatched child to him. Kaecilius had his followers kill Yondu. Then he does a ritual that would enable Dormammu to take the unhatched child as a host only for Howard the Duck and Darcy to foil it. Kaecilius and his followers soon went after the egg while competing against Grandmaster, Laufey, Malekith, Zeus, Thanos, and the Black Order. When the egg turned golden, Kaecilius is among those that were subdued by its golden energies while Zeus fled and Laufey withdrew from pursuing it.
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