Doom Slayer Lore

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DOOM SLAYER BIO PART 1
UAC File DM1-5: The history of this man remains conjecture. UAC archivists cataloged him DM1-5, but project personnel have dubbed him the “DOOM Marine.” An etching in the book of Daeva depicts the DOOM Marine wearing the Praetor suit, engaging demons in battle as a hooded figure looks on. Though previously observed numerous times in other artifacts, only with the actual discovery of the DOOM Marine and Praetor suit in the sealed Kadingir tomb have researchers begun to put other pieces together. It is now believed the DOOM Marine might have been part of an ancient group or tribe, maybe even their leader.

DOOM SLAYER BIO PART 2
Slayer’s Testament: I “In the first age, in the first battle, when the shadows first lengthened, one stood. Burned by the embers of Armageddon, his soul blistered by the fires of Hell and tainted beyond ascension, he chose the path of perpetual torment. In his ravenous hatred he found no peace; and with boiling blood he scoured the Umbral Plains seeking vengeance against the dark lords who had wronged him. He wore the crown of the Night Sentinels, and those that tasted the bite of his sword named him… the Doom Slayer.”

DOOM SLAYER BIO PART 3
Slayer’s Testament: II “Tempered by the fires of Hell, his iron will remained steadfast through the passage that preys upon the weak. For he alone was the Hell Walker, the Unchained Predator, who sought retribution in all quarters, dark and light, fire and ice, in the beginning and the end, and he hunted the slaves of Doom Slayer with barbarous cruelty; for he passed through the divide as none but demon had before.”

DOOM SLAYER BIO PART 4
Slayer’s Testament: III “And in his conquest against the blackened souls of the doomed, his prowess was shown. In his crusade, the seraphim bestowed upon him terrible power and speed, and with his might he crushed the obsidian pillars of the Blood Temples. He set forth without pity upon the beasts of the nine circles. Unbreakable, incorruptible, unyielding, the Doom Slayer sought to end the dominion of the dark realm.”

DOOM SLAYER BIO PART 5
Slayer’s Testament: IV “The age of his reckoning was uncounted. The scribes carved his name deep in the tablets of Hell across eons, and each battle etched terror in the hearts of the demons. They knew he would come, as he always had, as he always will, to feast on the blood of the wicked. For he alone could draw strength from his fallen foes, and ever his power grew, swift and unrelenting.”

DOOM SLAYER BIO PART 6
Slayer’s Testament: V “None could stand before the horde but the Doom Slayer. Despair spread before him like a plague, striking fear into the shadow-dwellers, driving them to deeper and darker pits. But from the depths of the abyss rose The Great One. The Titan, of immeasurable power and ferocity. He strode upon the plain and faced the Doom Slayer, and a mighty battle was fought on the desolate plains. The Titan fought with the fury of the countless that had fallen at the Doom Slayer’s hand, but there fell the Titan, and in his defeat the shadow horde were routed.”

DOOM SLAYER BIO PART 7
Slayer’s Testament: VI” “And in his terrible rancor between worlds and through time, the Hell Walker found the wretch who shall not be named, but in his heresy was loyal to his evil cause. The wretch adorned the Doom Slayer in a mighty armor, wrought in the forges of Hell, impenetrable and unyielding. With sword and shield of adamantine strength, the Doom Slayer set to banishing all that were left unbroken by his savagery to the void.”

DOOM SLAYER BIO PART 8
Slayer’s Testament: VII-I” “Yet as the mighty Titan fell and dread engulfed the armies of Doom, the demon priests of the Blood Temples laid a trap to capture this scourge of Hell. Insatiable, even by the vanquishing of the Great One, the Hell Walker sought prey in the tombs of the Blood Keep.”

DOOM SLAYER BIO PART 9
Slayer’s Testament: VII-II “Blinded by his fervor, the lure drew him in. The priests brought down the temple upon the Doom Slayer, and in his defeat entombed him in the cursed sarcophagus. The mark of the Doom Slayer was burned upon his crypt, a warning to all of Hell that the terror within must never be freed. There he lies still, and ever more, in silent suffering.”

DOOM SLAYER LORE ARTIFACT
The left hind foot of Doom Slayer’s pet rabbit, Daisy, killed by marauding demons when their invasion of Earth began. He carries it as a reminder of innocence lost, not for luck—after all, it wasn’t lucky for Daisy.