That Which Dwelled Beneath

When The Eternal Alliance fire an experimental missile at their eternal enemy; the Swarm, it goes horribly wrong. It unleashes the sea of the fourth dimension into the third and creates the Star of the End. A beacon for the universe ending beings within the fourth dimension. An Age later, the universe is annihilated. All but a few survivors remain on worlds shielded by their dead gods. One day, a young man, against his will, arrives from a distant universe. Sent here by outside god he is forced to become stronger in order to fight and kill the spawn of the Horrors. And one day, to kill the Horrors themselves.