One Punch: I Grow Stronger by Grinding Proficiency, and I Will Become Invincible

[Combat + Multiple Abilities + Invincible + Pure Power Fantasy + No Traveling to Other Worlds] (The rating just came out. It'll go up later.) He suddenly transmigrates to the world of One-Punch Man and gets a prize wheel that can grant him any ability. From the start, he gains the ability to get stronger with every sword swing. The man standing before you is Yanagawa: “The Sword of Destruction,” “The Strictest Father to Non-Humanoid Monsters,” “Grandmaster of the Sword,” “Humanity's Strongest Hero,” “Saitama's Lifelong Friend and Rival,” and “Founder of the Overclocking Style.” Whether they are powerful monsters or gods who dream of destroying the world, all will end up groveling at his feet. Yanagawa's name will one day resound throughout the universe.