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Sanctum

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"Few in number we may be, brothers, but our Emperor and our primarch expect no less of us for that. We stand in defence of our homeworld! We protect the legacy and future of our Chapter! So shall we fight with the strength of our absent comrades, for duty bids us do no less. Each White Templar shall be worth ten Adeptus Astartes this day!"

—Chapter Master Kruxor Stavro of the White Templars, excerpt from Holdfast rallying speech, during Tyranid invasion of their homeworld of Sanctum.

Sanctum is the Chapter planet of the White Templars Chapter of the Adeptus Astartes and the home of their fortress-monastery of Holdfast. It is located in the Formidyre System of the Segmentum Pacificus and served as the lynchpin of the system's defence during the Fourth Tyrannic War in the Era Indomitus.

History[]

During the Fourth Tyrannic War, Sanctum came under assault by Hive Fleet Grendyllus, a tendril of the larger Hive Fleet Leviathan. With the aid of Lord Commander Solar Arcadian Leontus and the forces of the Astra Militarum he commanded who were using Sanctum as base to face the Great Devourer in the galactic west, the White Templars were able to defeat the assault of the Tyranids even as it crashed against the walls of their fortress-monastery of Holdfast, despite the fact that much of the Chapter was not present as they were away on an Imperial Crusade to determine the truth of their genetic origin.

The White Templars' Chapter Master Kruxor Stavro served as the co-commander of the Imperial forces tasked with defending Holdfast. The other was Lord Solar Leontus, who acted as the heart and mind of the fortress-monastery's defence. Stavro served as the defence's blade-wielding fist and led each punishing counter-attack that drove the invading Tyranids back from Holdfast and ensured any breaches the xenos made in the fortress-monastery's walls were sealed.

The Imperial Fists and formations from several other Space Marine Chapters had also arrived in orbit of Sanctum in their great mobile fortress-monastery Phalanx to aid the defence of the White Templars homeworld alongside a great battlefleet of the Navis Imperialis intended to hold the xenos enemy at bay for as long as possible.

Canon Conflict[]

Sanctum is said in the 5th Edition Space Marines codex to reside in the Segmentum Solar. However, during the Fourth Tyrannic War according to the Warhammer Community website and the Battle for Oghram website, Sanctum is now said to lie in the Formidyre System of the Segmentum Pacificus in the far galactic west.

Sources[]

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