Mekallis

Mekallis, Lord of Sorcery, is a minor Chaos God, controlling the Daemon World of Hadstadt.

History
Nothing is known of Mekallis before sometime in early M32 when the Chaos God's followers took control of the world Hadstadt, converting it into a Daemon World devoted to worship of Mekallis.

After the discovery of the corruption of Hadstadt, an Imperial Army regiment attempted to cleanse the world, only to suffer horrendous casualties from the Warp Sorcery of Mekallis' followers. As the Imperial Troops retreated, curtains of Warp Energy descended on the world: the sacrifice of the souls of their fallen comrades powered the transformation of Hadstadt into a Daemon World.

From Hadstadt, the worshipppers of Mekallis launch their own dark crusades - though a pallid shadow of those launched from the Eye of Terror, still they are supremely dangerous and armed with powerful Warp Sorcery. To combat the worshippers of Mekallis, the Silver Order was founded;  an order of Psychic warriors, they watch the borders of Hadstadt, fighting the Chaos-Worshippers wherever they may be found, occasionally launching attacks of their own into the Daemon World.

Notable Traits
Mekallis is called the Lord of 'Sorcerers', patron of Warp witchery; most pleasing to Mekallis is the unleashing of the warp upon the puny creatures of the Materium, the quenching of the light of life in the flood of the power of the Warp.

As such, many of Mekallis' followers possess Psychic powers, either born with them, or granted them by the favor of their god. Most favored of Mekallis and foremost among his followers are Imperial Psykers who have fallen to Chaos.

Warp Witch
A Warp Witch is a Daemon of the Warp, an embodiment of the powers of sorcery that pour from Mekallis into the universe, Warp Witches are among the most powerful of Psychic beings, many of them are themselves worshipped by aspiring sorcerers, vying for their favor.

Hadstadt
It is said that once Hadstadt was a thriving agri-world before Mekallis claimed it, but today it is a dark howling wasteland from which rise the spires of a thousand thousand sorcerer's towers. Hadstadt was surrounded by fluctuating fields of Warp energy; both part of the materium and not, it cannot be conquered or cleansed, but only blocked off and besieged.