Editing Knights-Errant (section)

==Grey Knight Grand Masters==
We knew that there were eight Grand Masters who travelled with Malcador to Titan when it was cast into the Warp, unfortunately we don't yet know who they all are yet, and is made more difficult to guess since Grey Knights ritually change their names to mirror their daemonic foes.

In [[Aaron Dembski-Bowden]]'s ''The Emperor's Gift'', all eight are long dead and entombed together in the Chapter's cemetery on Titan.

===1. Koios===
See '''Tylos Rubio'''.

===2. Satre===
See '''Vardas Ison'''.

===3. Janus/Ianius===
Known to us as the first Supreme Grand Master and commander of the 3rd Brotherhood, though his original name and Legion were at first unknown. His one appearance so far in M32 describes him as a warrior saint, a venerable Space Marine of massive psychic potency yet also emanating a sense of holiness one step down from the Emperor Himself. He also has a squint in one eye, possibly due to an old injury.
*The true identity of Janus is '''Revuel Arvida''' of the [[Thousand Sons]], or more precisely the result of an experiment to save him as follows: After arriving on Terra, he was taken by the Sigillite to cure his rampaging flesh-change at [[Jaghatai Khan]]'s insistence, as he had been vital in allowing the White Scars to reach Terra. Malcador secretly planned to make Arvida the host of a shard of [[Magnus the Red]], hoping that it would restore enough of the Primarch for him to sit upon the Golden Throne in the Emperor's place. Instead, he merged with the shard, which held all of Magnus' nobility (either killing off the good part of Magnus which would have prevented him from becoming the complete spiteful asshat he is now... or preserving it so said nobility would not be corrupted as part of the Crimson King). The newly created entity, neither Arvida nor Magnus, called himself '''"Ianius"''' '' henceforth (ironically the name of his Tutelary. Interestingly, he then said that he believed that this had always been his true name),'' which is a variant wording of "Janus" . He also has a mass of scar tissue surrounding one eye, which perfectly matches Janus's description and is the result of him being a merger of the former Thousand Son with the shard of Magnus. Why this quasi-Primarch obviously was not immortal would be an interesting avenue to explore as he is quite clearly dead in the 41st millenium. It is quite obvious that "Ianius" was a flawed creation, with Jaghatai Khan threatening to cut off Malcador's head and mount it on a spike if the Sigillite didn't give him a chance. When they calmed down, Ianius apologized to the Sigillite for not being what he intended, which means he fully understood what his intended role was and what his inability to assume that role meant to Malcador. If you're a fan of the "Arvida being the first [[Blood Ravens|Blood Raven]]" theory, you can thank [[Laurie Goulding]] for deliberately contradicting it and making him the first Supreme Grand Master instead.
*Interestingly, when all the others were given new names seemingly chosen at random from a bag of silver coins to represent the erasure of their former identities, Ianius was allowed to keep his name, which makes some sense considering that Arvida's original identity had already ceased to exist. In the end Malcador took him and other members of the Knights Errant before the Emperor, and shortly afterwards sent them to Titan, stating that Ianius and Ianius alone would determine when they would re-emerge to the materium.

===4. Yotun===
Unknown, stated to be a former Wolf Priest of the [[Space Wolves|Sons of Fenris]]. Almost certainly '''Theodor Ruttvelt''', previously sent to Konrad Curze as part of the watch packs and returned mutilated. Also possibly Bodvar Bjarki, a Rune Priest following Malcador's orders via Yasu Nagasena in Crimson King.

===5. Epimetheus/Epithemius===
Epimetheus is a [[Dark Angels]] psyker of prodigious strength who survived into the 41st Millennium by being stasis-locked in the Damnation Cache on Pandorax. Epimethius would eventually be captured by [[Abaddon]] and given to [[Fulgrim]] in a bid to gain the allegiance of the [[Emperor's Children]] for the 13th Black Crusade, Epimethius himself was intended to become the [[What|Avatar of Slaanesh]].
*At the first meeting of the Grand Masters, he was described as a hooded figure who never showed his face and described himself as not having a name before, so is potentially the Nemean Reaver, a former Blackshield lord. Garro name drops him shortly before the Sigilite dismisses him.
*It gets a bit convoluted because according to himself ''"Someone switched places with me. That is now his path to walk"'', and completely wrong-footed a [[Lord of Change]]; Whoever '''eventually''' became Epimetheus and was locked in the damnation cache was the ''"one who nearly unravelled everything"'' [[Caliban_(Warhammer 40,000)#Fall of Caliban|when half a legion turned to Chaos]] and avoids the 40K Dark Angels as if he were one of the [[Fallen Angels]]. Perhaps he doesn't know who actually won their civil war. Or...perhaps he [[Grimdark|does]]. Meaning the second Epimetheus had to have been present on [[Caliban]] during the Scouring. While whoever was first intended to be Epimetheus departed for a different fate.
*In any case, 40K Epimetheus spends the near entirety of the last ten-thousand years trapped in stasis, so any fallout related to his original identity would have been delayed until his later capture by [[Abaddon]].

===6. Iapto===
See '''Severian'''.

===7. Ogen===
Unknown, described as sable-haired and pale-skinned, wearing a string of onyx beads [[Raven Guard|resembling the skulls of avians]]. Almost certainly '''Balsar Kuthuri''', Chief Librarian of the Raven Guard, exiled to Terra by Corax in penance for breaking the Edict of Nikaea and supposedly the one who opened Terra's gene-vaults for Corax.

===8. Khyron===
First Grand Master of the Eighth Brotherhood, with a name that, in keeping with the theme, is that of a celestial body near Saturn. His tomb on Titan depicts a helmeted warrior leaning casually on a halberd. The tomb's epitaph closes with ''"If you wish to grow wise, learn why brothers betray brothers"''.
*As the halberd and casual attitude was the hallmark of the Eighth Legion's First Captain [[Sevatar]], and Jago Sevatarion was last seen in Imperial hands relearning his psychic gift at the end of ADB's ''The Longest Night'', many Night Lords fanboys believe it is Sevatar. Having once betrayed the Emperor but then disillusioned with Chaos and Horus, could he have then betrayed his brothers in the Eighth to return to the Imperial fold? We may never know. 
*''The Buried Dagger'' describes him as a hatchet eyed legionary with a staff. Almost certainly the Night Lords' Chief Librarian '''Fel Zharost''', previously name dropped as being recruited by Tylos Rubio. Y'know, except for ''The Buried Dagger'' having a different description than the previous one of Khyron. So, either it's Sevatar (or fan-bait for skub lulz) or two Grandmasters took the same name at different times in the Grey Knights' history. One Fel, the other Sevatar. Because "staff and hatchet eyed" is ''very'' different from "halberd and casual" to the point of almost being opposites in both weapon and personality.

===9. Crius===

'''Garviel Loken''' was slated to be the ninth Grand Master at first, but he rejected the offer and stayed on Terra alongside Garro when the other eight soon-to-be Grand Masters departed for Titan. As mentioned previously, he had a feeling that joining the Grey Knights would not be his fate.