Mortal Kombat
Kabal

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BIOGRAPHY:
Once a member of the Black Dragon clan, Kabal gave up his life of crime and put his fighting skills to more positive uses. He joined the New York City police force to kombat the underworld element he once served. This transition helped ease the pain of dark memories. But when New York was invaded he underwent another transformation--one that would afflict him physically. Severely injured in battle, he is doomed to wear a life support system forever.
Long story short, Kabal joined other Earthrealm fighters, joining forces to fight against the Outworld troops who attacked Earthrealm, but unfortunately after the arrival of Sindel, the queen of Outworld, Kabal became one of the Earthrealm fighters who was killed by Sindel.
His soul was collected by Quan Chi, who used it to create and evil "revenant" version of Kabal. He now serves the Netherrealm.