In a World Where Everyone Had Powers, I Spent 10,000 Years Failing the First Trial, Gained an SSS-Rank "Loser" Ability

Full title: "In a World Where Everyone Had Powers, I Spent 10,000 Years Failing the First Trial, Gained an SSS-Rank “Loser” Ability, and Returned to a World Where I Was Almost Alone"I lagged behind many others in my development. I couldn’t even properly solve children’s puzzles or complete a Rubik’s Cube. But one day, a system message appeared before my eyes, and I was sent to attempt the most difficult puzzle in the world. I failed…