In a spacefaring civilization, a world-weary immortal hero must decide whether to use a powerful alien artifact to end constant battles, but the twist reveals that using it would bring about destruction, leading to a truce and cooperation between civilizations.
A seasoned and world-weary warrior with a tragic past, who struggles with the burden of immortality and the constant battles against alien invaders.
The discovery of a powerful alien artifact that could potentially end the constant battles, but at a great cost to the protagonist's humanity and morality.
As the protagonist grapples with the decision to use the powerful alien artifact, they ultimately choose to sacrifice their own immortality and humanity in order to bring an end to the constant battles against alien invaders. In doing so, they find peace and redemption, knowing that their sacrifice will bring an era of peace and prosperity to their civilization.
Twist: The powerful alien artifact turns out to be a test of the protagonist's character, and using it would have actually brought about the destruction of their civilization. By choosing not to use it, the protagonist proves their worth and earns the respect of the alien invaders, leading to a truce and a new era of cooperation between the two civilizations.