Genetic abnormalities grant some Pokemon great power and an even greater weakness. When that power is abused and its weakness ignored then the fall is always so much greater than the rise.
A story of no real beginning and no real end, Ouroboros broken in its ageless cycle of beginning and end. Tear open the walls of the eternal circle and peer inside won't you?
Two trainers, their Pokemon, a life after the Fractus Ouroboros.
