Sutekh's brother Horus and the remaining 740 Osirians tracked Sutekh down to Ancient Egypt and used their powers to imprison him in a pyramid on Earth. The Eye of Horus, located on Mars, beamed a signal to suppress Sutekh's powers and hold him prisoner. The tales of the Osirians were remembered in Egyptian mythology and Sutekh was able to gain followers, like Ibrahim Namin.
In the year 1911, the archaeologist Professor Marcus Scarman discovered the inner chamber of the Pyramid of Horus, discovering Sutekh and allowing him a chance of escape. Scarman's corpse was used to construct Osirian service robots and a rocket aimed at the Eye of Horus on Mars. Though the Doctor attempts to destroy the rocket eventually succeeded, he was taken over by Sutekh's will and made to take Scarman and the Robots to Mars with the TARDIS. Though the Doctor attempted to stop them, Scarman succeeded in destroying the Eye and freeing Sutekh. Hurrying back to Earth, the Doctor was able to defeat the freed Sutekh by trapping him in a Time Tunnel for thousands of years — longer than the lifespan of an Osirian.
Powers and AbilitiesEdit
Sutekh possessed immense power: he was shown to be able to change the course of history. The Doctor took Sarah Jane Smith to an alternate 1980, which was a ruined and abandoned wasteland. Other evidence would suggest that it is very dangerous and difficult to change the future but a being of Sutekh's power was capable of destroying it.
He was incredibly powerful and easily able to defeat a Time Lord. His powers became apparent when his eyes glowed green allowing him to leave a person in agonising pain. He was quite able to leave a person in tormenting pain for centuries. Furthermore, his mental abilities allowed him to easily dominate others making them puppets to his will.