Aeldari secure Nexus Arrangement

The search for the Nexus Arrangement had gone unnoticed by the forces of chaos, and it had been by Aeldari design. Through their manipulation of the warp their powerful psychic energies had been concentrated on shielding all knowledge of the necron artefact from prying eyes, although they had been unable to deflect the Imperium, and the Necrons were bound to uncover what they were up to. Not until 1012.020M42 did Magnus the Red become aware of the eldar plans, and the deliberate psychic deception angered the daemon primarch. Yet, there was still an opportunity. Through his unrivalled mastery of the empyrean, Magnus and his sorcerers' had seen through the alien veils with which they had attempted to shroud their true intent, and their plans were now transparent to him.

Acting swiftly the daemon prince personally led a force of Thousand Sons across space and time, straight to the system of Cruthynia, breaking the very fabric of realspace and crashing upon the Ynnari and Harlequin forces on the surface of the barren world, supported by Ahriman and the Changeling himself. It was Magnus however, who was deceived. Magnus' pride had allowed him to believe he had uncovered the eldar plans all by himself and through his intellect, but it was a deflection. The Aeldari knew that when the Nexus Arrangement was unearthed, its mere presence would send a ripple through the warp, attracting the forces of chaos. Now, they had lured Magnus into a trap of their choosing, and in the battle that followed, despite losing their commander, the Thousand Sons, Magnus and Ahriman were all thrown back into the warp, the spirit of Magnus once again ejected from the mortal realm to brood angrily on the planet of the sorcerer's, and it's mirror, the daemon world Astralis.

With the chaos forces distracted, the Ynnari carefully unearthed the ancient necron artefact and managed to steal it away into the webway before the necrons or Imperium had time to stop them. The Arrangement was safe in Aeldari hands, and the Ynnari now revealed to their Craftworld and Harlequin allies what use they would have for it. The pursuit of the necron device had not merely been to deny its use to the enemy, but for a greater purpose. There were still two necron devices needed by Yvraine, and the Arrangement now gave her followers the means to extract it, without the world upon which it stood immediately falling into the warp.