During
the 14th Crusade, we came across several
traps, planned by Abaddon's Lieutenants in an attempt to remove the
main threat to his war; our own Evangelions and their loyal pilots.
Despite many attempts, none were successful, human spirit and faith in Him easily overcoming the corrupt abominable imitations that the Eye of Terror had spat out.
One of the most dangerous traps, that came closer to destroying the Evangelions, and ending all hope for the Imperium's survival, was oddly enough not plotted by some spawn of Chaos, but a malign entity older then even the blasphemous 'Powers' of Chaos themselves…
From The Weapons of the Past; An Account of the Final Crusade and the Role of the Evangelion by Inquisitor Lord Thorne, written 027 M42