In a world where power defines one’s fate, individuals known as Awakeners possess extraordinary abilities, unlocking their potential through tiered ranks from F to S. Each Awakener’s journey is marked by rigorous trials, battles for survival, and a constant drive to ascend the ranks, pushing their bodies, minds, and spirits beyond mortal limits. Baku, a young boy with little renown, receives a mysterious ability known as Prima during the Awakening Ceremony. Prima is unlike any other gift; it is a sentient world that exists within him. The beings that reside in Prima—stronger than anyone Baku has ever encountered—determine the extent of his powers. But Prima is also dangerous, capable of consuming him if he isn’t careful. Time moves differently within its confines—one day outside is five days within—and its twisted landscapes are as perilous as they are surreal. As Baku explores the depths of Prima, he uncovers dark secrets about its true nature, learning that his ability has skipped generations and carries a deadly risk. Prima is not just a world—it is alive, semi-sentient, and has consumed its previous users. The trials within Prima are not only battles with the terrifying beings that inhabit it but also with the world itself, which constantly tests Baku’s resolve, seeking to devour him if he shows any sign of weakness. Outside of Prima, the world is in turmoil. Dark Awakeners, a malevolent faction that seeks to control Prima’s power for their own ends, have learned of Baku’s unique gift. As Baku faces challenges both inside and outside of his inner world, he must contend with rival Awakeners, ruthless enemies, and betrayals from within his own circle. The weight of Prima threatens to break him, but Baku is determined to survive. To master Prima, Baku must grow far beyond what an ordinary Awakener can achieve—he must become the strongest within and without. As he battles his way through the tier system, learns the complex dynamics of his mysterious gift, and forms alliances with fellow Awakeners, Baku begins to understand that the fate of the world might rest in his hands. But will he master Prima, or will it consume him like it has those before him? The Realm Within: Rise of the Keeper is a tale of courage, growth, and the struggle for power in a world where only the strongest prevail. Baku’s journey is one of survival, self-discovery, and the relentless pursuit of control over the world within him.