The Association: Omega

More than 30 years ago a race of powerful beings appeared in the world with the purpose of protecting it, but with the passage of a few years this race has been disappearing to the point of being almost completely extinct. This was not a problem for the human race until in the present day another race of powerful beings came along, but this time, with the purpose of dominating the world. Our protagonists must search for the last superhuman survivors in order to save the world and bring hope back to the human race.