One day, the world changed. Everyone has a chance to become a beastmaster, but Jiang Fan only has a crippled black dog considered a 'failed pet'. While others dismiss his pet, Jiang Fan sees its hidden potential through his unique ability to view evolution paths. His seemingly weak dog is revealed to have an 'Shadow Evolution' path, leading to incredible power. Follow Jiang Fan's journey as he proves everyone wrong and transforms his underdog pet into a legendary beast.