Editing Gaspard Lumey (section)

====Razor and Scalpel====
[[File:AubreyTheGrey.jpg|thumb|right|200px|[[Aubrey The Grey]]]]
Despite the unusual circumstances involved, the discovery of Aubrey the Grey in 901.M30 was celebrated by all of his brother Primarchs.  Publicly noting Gaspard Lumey's recent successes, the Emperor chose to dispatch Aubrey to learn from the master of the Fifth Legion.  As is common in politics, a good reason is rarely the real reason.  The Emperor hoped that the the Cibanese loathing for Xenos would wash away the unfortunate circumstances of the Primarch's upbringing.  More practically, the association resulted in Aubrey penning several works discussing the military history and methods of the Tarellians.  These texts would help to safeguard the Imperium against alien perfidy.

Unfortunately, the Emperor's hopes were in vain.  Aubrey was a polite and popular guest among the Fifth Legion, but he took horror stories of the Amatteir and the Orks in his stride.  The Primarch of the Sixteenth Legion noted that Lumey did not judge all men by the worst of their number and argued that judging every ''species'' of aliens by the most vicious was an even worse habit.  Aubrey also noted that his brother had greatly strengthened the Imperium by harnessing the strength of his homeworld for the Great Crusade, and argued that his own Lazarus could surely contribute to the Emperor's plans if properly guided.  This position was reasonable, and convincing.  By the end of Aubrey's apprenticeship with the Fifth Legion, Gaspard Lumey backed his brother in calling for an Edict of Toleration.  This decree would permit the leaders of Expedition Fleets to designate non-belligerent alien realms as "Xenos Amicus", fit for trade rather than extermination.

It must be noted that this power was rarely used, and essentially ignored by Legions other than the [[Eternal Zealots]], allowing Aubrey to bring the Tarellians into the orbit of the Imperium and host Gaspard Lumey on Lazarus in 904.M30.  As was his habit, Lumey kept a journal of his six week stay on Lazarus and later published several essays on Lazarine art.  He was particularly taken by the architecture of Aubrey's homeworld, comparing the Tarellian's graceful style favourably with what he had seen in other parts of the Galaxy.  On his departure, Lumey admitted that he was not anxious to return but reminded Aubrey that humanity's homeworld hadn't made a favourable impression either.

The tragic circumstances that led to Lumey's return to Lazarus are well-known but must be summarised here.  Despite Aubrey's generosity, the Tarellians staged a massive uprising, destroying Sixteenth Legion facilities and carrying out atrocities against humans within their space.  Even as news of the uprising spread across the Imperium, Tarellian warships spread their venom into nearby Imperial worlds.  The War Council forbade Aubrey from attempting to negotiate, annulled the Edict of Tolerance, and commanded Gaspard Lumey to lead a reprisal.  Aubrey was instructed to join Lumey's 25th Expedition Fleet "as an observer".  What Aubrey the Grey observed has been variously described in poetic language such as the Burning of Lazarus or the Crusade of Intolerance, but Gaspard Lumey simply referred to it as the Tarellian Xenocide.  Thanks to the information that Aubrey had provided in happier days, the 25th Expedition Fleet could exploit the weaknesses of their alien enemies while minimising their strengths, leading to a campaign more of slaughter than conflict.  By the end, the elegant spires that Lumey had once admired were torn down by his gene-sons as Lazarus became a monument to the price of betraying the Imperium.

Aubrey obediently watched the destruction, then tearfully demanded a duel with Gaspard Lumey.  Whether the Primarch hoped to die at his brother's hand or exact vengeance is unknown, but Lumey's acrid retort is infamous.  He reminded Aubrey that the Tarellian tradition he was invoking had not only led to terrible misfortune but just been destroyed, and therefore dismissed the challenge as unworthy even of refusal.  Understandably, this reply infuriated Aubrey the Grey, but he had enough self-control to only spit in Lumey's face and stalk back to his quarters.  The two would not exchange another word for decades.