Dean Winchester was a Knight of Hell that exists in an alternate universe.
History 
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BackgroundEdit
Dean killing Sam
At some point, Dean became the bearer of the Mark of Cain and was converted into a Knight of Hell. This led to a fight with Sam in the Men of Letters bunker where Dean beat Sam up and threw him through the railing of the upper level to the floor below. Despite Sam's pleas to stop, Dean continued to throw his brother around before strangling him up against the wall one-handed. Drawing the First Blade, Dean stabbed Sam in the side, killing him.
Season 15Edit
In Proverbs 17:3, Sam has a vision of this Dean killing his Sam.
In The Trap, God reveals that Sam's visions are actually God's memories of the Sam's and Dean's of alternate realities.
In Galaxy Brain, God was destroying worlds, leaving it unknown if this Dean and his world were destroyed.
In Destiny's Child, Billie states that God is almost done destroying alternate universes, leaving it unknown if this Dean and his world still continue to exist.
Powers and AbilitiesEdit
As a Knight of Hell, Dean was an extremely powerful demon.
- Immortality - Like all demons, he was immortal, unless he transfers the Mark to someone else, and is killed by The First Blade.
- Invulnerability - Like all demons, Dean was invulnerable to most forms of harm. As a Knight of Hell and the bearer of the Mark of Cain, he was even more invulnerable than a regular demon.
- Super Strength - While fighting with Sam, Dean was effortlessly able to thrown his younger brother around and strangle him up against a wall one-handed.
AppearancesEdit
- Season 15
- Proverbs 17:3
- The Trap (referenced only)
