Complex sentence: Centuries ago, he was a cruel human warlord in Outworld who was exiled to the Netherealm where his body and soul were to be tortured for all eternity.
Split into simpler sentences: Centuries ago, he was a cruel human warlord in Outworld. For his crimes, he was exiled to the Netherrealm where his body and soul were to be tortured for all eternity.