Mephiston
Mephiston is the chief Librarian of the Blood Angels Space Marine chapter, and he bears the title "Lord of Death" for A FUCKING REASON! He's a monstrous creature in artificer armour and his sole purpose in life is to RAPE you in close combat.
Once upon a time though, Mephiston was just a regular joe called Brother Calistarius, one of many librarians of the Blood Angels (and possibly the same from the Sin of Damnation book, which would also make him the same Librarian Calistarius in the Space Hulk games). You know, just your average 8-foot tall, superhuman killing machine with psychic powers and vampire-ish tendencies. Nothing that special. Then one day, he was overcome by the effects of the Red Thirst.
Once a Marine is overcome with the Red Thirst, he is afflicted by the Black Rage) and is inducted into the Death Company. Death Company Marines are bat-shit crazy, berserker, vampire Space Marines. Since there's no cure for the Black Rage, the only thing that can be done for the Death Company is to use them as shock troops and throw them onto the front lines of the most brutal, meat grinder, suicide assaults and let them find a glorious death on the battlefield.
During the second war for Armageddon, Brother Calistarius, as a Death Company Marine, was used to assault the Orks holding up in the Ecclesorium building of Hades Hive. As he and his fellow bat-shit crazy, berserker, vampire Space Marine brothers hacked, slashed and raped their way through the Orks' defences, they might have gotten a little bit too enthusiastic. As in, they brought the entire fucking building down on their heads.
Calistarius was the only one left alive, buried in the rubble with his body crushed and broken. Trapped, denied his glorious death, and unable to vent his rage by raping the shit out of the enemy, he was forced to sit and stew in his blind fury for seven days and seven nights. The madness of the Black Rage was tearing at his mind, screaming for blood and death, causing him to trip balls with out-of-this-world, fucked up visions that had driven all before him right off the deep end!
With nowhere to go and nothing to do, he had no choice but to stare down the visions and fight the madness. At midnight on the seventh day, he finally overcame the Black Rage and the Red Thirst and was reborn as Mephiston, LORD OF DEATH!
Having done what no Blood Angel had EVER done, he was reborn with new strength and power unlike anything he had ever felt before. Feeling the utter RAAAAAGE! and fury of Mephiston's rebirth, the thousand tons of rubble that had been crushing down on him and keeping him trapped SHIT ITSELF (how does rubble shit itself, you ask? Mephiston was angry with it, that's how!) and tried to escape, allowing Mephiston to burst free.
As he burst free, he attracted the attention of a nearby Ork band. Now, there were several hundred heavily armed Orks and Mephiston was alone, his armour was shredded, he had no weapons, and was exhausted after what had just occurred. Given all this, it's clear Mephy wasn't really at his best. The odds were stacked against him, so it's fairly obvious what happened next...He fucked them right up! He butchered them, tore them apart with his bare hands. Then he grabbed hold of the biggest motherfucking Ork, PUNCHED A HOLE THROUGH HIS CHEST, AND TORE OUT HIS MOTHERFUCKING HEART. Then he skull fucked him while the other Orks just watched and cried girly tears of fear and defeat.
After this, because of his awesome power and the fact that the other Blood Angels were a bit scared of him and wouldn't refuse his application for promotion when he applied for one, he quickly rose through the ranks to the position of Chief Librarian.
Mephiston, however, is not based on a vampire, regardless of the Blood Angels connection. He is based on Mephistopheles, or Mephisto, a demon of Satan and one of the Seven Chief (see the connection?) Devils. Mephistopheles was the demon who turned up to take Faust's soul when he made a deal with the Devil, or Satan. When Mephistopheles first appeared to Faust, he actually advised Faust not to sell his soul. Mephistopheles didn't spend his time finding people to corrupt, but came to collect on souls from people who were close, or already, damned.
So you see, Faust is Brother Calistarius and Mephistopheles is Mephiston. Calistarius overcomes the Black Rage (his soul is already damned) and becomes Mephiston (sells his soul for great power). This theory is further reinforced by the fact that, in the Blood Angels Codex itself, it says (paraphrased) "in over coming the Black Rage, he became something much worse". As in, he sold his soul to overcome the torment of the Black Rage and in doing so became a demon, or one of the Seven Chief Devils of Satan.
This similarity is is touched upon in the Lord of Death book, in which a lost Blood Angel chaplain accuses Mephiston of losing his "soul", referencing the twin curses of the chapter as being the heart and soul of who the Blood Angels are—and the reason for their humility and nobility. Mephiston rebukes him, stating that while part of the Blood Angels' humility was acquired by their suffering, it was in fact the tenets and beliefs of Sanguinius that truly fostered it. The chaplain dismisses this and very nearly comes to realize how very much of Mephiston's "soul" is still there. In the end, Mephy proves his loyalties as Doombreed himself screams to Khorne that he cannot sway Mephiston to turn to Chaos. He is then turned into warp dust by Mephiston single-handedly.
As of the 7th Edition Codex, Mephiston's suffered the nerf bat. He no longer has a Monstrous Creature-like stat line, and he's essentially now a tougher captain with Mastery Level 3 and a few extra special rules. A tear shed in pity…he also got a substantial price cut and gained Independent Character, to try and make him better point-for-point.
Gallery
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He's as pissed off as an Angry Marine on a quiet day. -
Sheer willpower is what keeps him from tearing his own guys apart. -
Some artworks depict his hair as blonde, others make it look silver/white... -
Mephiston has alot of awesome artworks. Choosing a favorite is indeed hard. -
Kain of Nosgoth called, he wants his aesthetic back.
