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{{Otheruses|USE=structures on Cadia|OTHERUSE=Necron mobile weapons emplacement|OTHERPAGE=Necron Pylon}}The '''Pylons''' are monumental constructions of unknown origins on a number of planets across the galaxy that hold back the tides of the [[Warp]].{{Cite this}}

These structures are one kilometre tall, half a kilometre under the earth and half a kilometre on each side. They have an intricate system on systems of tunnels bored into them, which are impossible to map, as even the smallest [[servitor]] never returns from a journey within them. There tends to be a complex arrangement of them across a particular planet, such as those on [[Cadia]].{{Cite this}}

Made of [[Blackstone]]{{Fn|3}}, they are believed to be of [[Necron]] design{{Cite Thisthis}} and intended to influence the warp in their immediate area, this is thought to be the reason that there is a relative relatively calm area of warp space, now called the [[Cadian Gate]], which is the only safe thoroughfare in the area. [[Inquisitor ]] [[Quixos]] attempted to construct his own in order to further his own Radical goals.{{Cite this}}

Pylons can be reduced to ruin through overloading them with massive amounts of [[Warp]] energy, such as an influx of [[Daemon]]s. During his [[Black Crusades]], [[Abaddon ]] hunted and destroyed pylon networks on planets near the [[Eye of Terror]], thereby weakening the barrier between the Warp and realspace. During the [[13th Black Crusade]], he destroyed Cadia itself, and its pylon network with it. This caused the formation of the [[Great Rift]], which split the galaxy in two.{{Cite this}}

Some time before 338.M41, the [[radical]] [[Inquistor ]] [[Quixos]] developed an interest in the warp-altering properties of the Cadian [[Pylons]]pylons, in the hope of permanently closing the [[Eye of Terror]]. Controlled through Quixos' enslaved [[daemonhost ]] [[Cherubael]], a [[Chaos Cult|cult ]] calling itself the "[[Sons of Bael]]" studied the pylons.{{Fn|4a}} These studies bore fruit, and Quixos duplicated the pylons on other worlds using corrupted merchant cartels and personal supplies of [[Blackstone]].{{fnFn|4b}}

Unfortunately, these plans never came to fruition as he was executed by an Inquisitorial taskforce led by [[Eisenhorn]]. {{fnFn|4c}}It is unknown if Quixos' plan would have succeeded regardless - he was deeply addled by warp corruption and it was well within reason that his experiment could have instead torn the Eye of Terror asunder, which would have resulted in the [[Noctis Aeterna]]'s devastation and the formation of the [[Great Rift]] almost six centuries early.{{Cite this}}

== See also ==

*{{Endn|1}}: [[The 13th Black Crusade (Background Book)]], ppg. 15*{{Endn|2}}: [[Codex: Chaos Space Marines (6th Edition)]], pppgs. 19–20*{{Endn|3}}: [[Codex: Necrons (8th Edition)]] , pg.11*4: [[Malleus (Novel)]]:**{{Endn|4a}}: ''Chapter Twelve – Cadia, by terce. The pylons. Talking with Neve.''**{{Endn|4b}}: ''Chapter Twenty-One – Death at St Ezra’s. The long hunt. The cell of five.''**{{Endn|4c}}: ''Chapter Twenty-Three – The heretic. Afterwards.''