The war between the demons and the humans has finally waned, a divine contracted truce has been established, reinforced by the elves' nature magic, peace was finally achieved by the world, although both races still have a lot of cleaning up to do after their own crazy warfare, rocky relationships and steady progress.
All they had to sacrifice was...
Their own [Demon King] and [Hero]...
Now all that's left is the [Hero]'s doppelganger, left to wander around the lands looking to become a hero just like his master and create his own identity.
[You may see some characters from my older fics if I do continue this]