The ''Invincible Reason'' was the first ''Gloriana''-class vessel to be constructed. As a result, it had a level of detail and craftsmanship not seen in subsequent vessels.{{Fn|4}} During the Great Crusade, Castellan [[Duriel (Dark Angels)|Duriel]] was installed into its command chair and was in command of the vessel when [[Lion El'Jonson|The Lion ]] was not aboard.{{Fn|77a}}

The personal ship of [[Primarch]] [[Lion El'Jonson]]{{Fn|1}}, 'Invincible Reason'' was a colossal vessel even by the standards of other ''Invincible ReasonGloriana'' led class Battleships, stretching out a total of twenty-eight kilometres from bow to stern, with a grand processional positioned under its dorsoventral spine that ran the Dark Angels effort in entire length of the [[Rangdan Xenocides]]ship. Along this were inbuilt strongpoints that would serve as checkpoints for thousands of her million-strong crew of men and women to transit through every hour while attending to their duties. When they did, their transit authorisations,[[Battle of Diamat]]ident wafers, order papers and subdermal signum pips were scanned and the verified in a largely automated process. As high-grade [[Thramas Crusadeservitors]]. Following encased in polished metal, outfitted with subtle First Legion devices bearing the Thramas ambush against manufactory stamp of the [[Night LordsTerra|Ural]]forges, issued ­dozens of authorisations every second.{{Fn|7b}} A system of [[Konrad CurzeGrav-Vehicle|grav-trains]] became stranded on board also ran throughout the ship, and could transport anything from super-heavy equipment to crew personnel to various points within the vessel. While the hangers of the ''Invincible Reason'' for a time. However, the Night Haunter found ample hiding places on the immense vesselcould accommodate landmass sized squadrons of super-heavy craft, and terrorized the bowels of the ship despite repeated Dark Angels search parties. He eventually left the vessel when the Lion led the Dark Angels fleet to such as [[MacraggeMonarch]]heavy landers.{{Fn|27c}}

Upon the defeat The internal layout of Curze on Macragge by the Lion, the Night Lords Primarch was again chained within the ''Invincible Reason''. Following is a puzzle designed to baffle any who have not earned the abolition privilege of [[Imperium Secundus]] and the journey by [[Roboute Guilliman]]being there, and [[Sanguinius]] through it is said that there is no such thing as an easy route aboard her. Journeys across the ship would take her [[Ruinstorm]] to try and reach [[TerraChapter Serf|mortal serfs]], the vessel was apart better part of the combined loyalist fleet. Howevera day to complete, upon although the arrival at [[Davin]], Sanguinius boarded the ''Invincible Reason'' and took the captive Curze with him for his own pilgrimage on the world, dispatching several Dark Angels guards through non-lethal force themselves can do it in the process. In the subsequent [[Second Battle of Davin]] the ''Invincible Reason'' engaged in a vicious duel with the [[Daemonship]] ''[[Veritas Ferrum]]''.{{Fn|3}} Later during The Lion's [[Exterminatus]] of [[Barbarus]] the ''Invincible Reason'' was attacked by the [[Emperor's Children]] [[Heavy Cruiser]] ''Sybarite''under an hour, which was now possessed entirely by a [[Daemon]]. The ''Invincible Reason'' was heavily damaged in as their legion-priority overrides grant them access to the battle after the ''Sybarite'' rammed it. The vessel sought repairs on the [[Forge World]] of [[Thagria]]vessel’s mag-lifts and grav-rails.{{Fn|67f}}

==Related ArticlesNotable Locations==*[[The Dreadwing Sacristy]]{{Fn|7d}} ==See also==

*{{Endn|2}}: [[The Unremembered Empire (Novel)]]{{CitethisCite Marker End}}*{{Endn|3}}: [[Ruinstorm (Novel)]]{{CitethisCite Marker End}}

*{{Endn|7}}: [[Lion El'Jonson: Lord of the First (Novel)]] :**{{Endn|7a}}: Chapter 1 section , Section II**{{Endn|7b}}: Chapter 3, Section II**{{Endn|7c}}: Chapter 3, Section IV**{{Endn|7d}}: Chapter 4, Section III**{{Endn|7e}}: Chapter 7, Section II**{{Endn|7f}}: Chapter 9, Section I*{{Endn|8}}: [[The Horus Heresy: Legions]]

[[Category:BattleshipsFleet (Dark Angels)]][[Category:Named Space Marine Vessels]]