The Extra's: Accidental Rebirth.

Year 2847. Humanity has conquered death, disease, and the stars—until two cosmic entities turn Earth into their battlefield. A reality-warping chess game rips holes in spacetime, unleashing monsters that laugh at humanity’s most advanced weapons. Humans become prey in a collapsing world. Hunters would go out knowing that to be their last day protecting their loved ones In a reality where survival demands absorbing monster essence—and death lurks in 73% of attempts—Yoo Seung-yoon's is born admist the chaos: “Where am I” Note: Mc only work with what he has[intrinsic] or what he can find, by the end you'll understand, anyways I'll try my best to drop clues in some chapters. Every action has consequences. Be patient you might not necessarily understand the whole worldbuilding especially at the beginning, each power realm depends on the higher realm, Mc will be op just not now, join him on his unique journey into the unknown, each failure pushing him to become a perfect Singularity. Genre: Post-Apocalyptic | Unique Skill | Reincarnation Tags: Cosmic Horror | Unique MC | Reality Manipulation | Weak to Strong | Overpowered | Multiple interdependent realms