Warhammer 40,000: The Fall of Vigilus

This is a fan made story around the current battlefield in the Warhammer 40k universe known as Vigilus, this story will center around Trajaan Valoris the Captain General of the Adeptus Custodes, the most elite legion crafted by the Emperor and the Chaos Undivided champion known as Abaddon The Despoiler. The two will engage in a legendary battle for the ages, shaping the future for the planet, and with that the galaxy, will the Imperium's best warrior find a way to defeat the great Chaos champion? or will he perish and with him, the hopes of humanity's survival.