Goku Ken no Slash ~Shokyu Skill Kiwametara, Itsunomanika Meikyu Toshi Saikyo ni Natteta Ndaga~

With only a single sword skill, [Slash], he reached the pinnacle of the world’s strongest swordsmen!!

Aaron, a seeker in the labyrinth known as the "God-Corpse Dungeon," was exiled from his party after his growth hit a dead end—having only mastered the basic skill [Slash].

Despite being abandoned, Aaron couldn't give up on his dream. He chose to continue his journey as a solo adventurer, relying solely on that one basic move. Everyone mocked his inefficiency and recklessness... but ten years later, through sheer repetition, he had elevated [Slash] to a god-tier level.

Now, a mysterious hero known as "The Zenith Blade" is rumored to have quelled a Great Disaster with a single strike. Unaware that he is the legend everyone is talking about, Aaron finds himself drawn into a dark conspiracy lurking within the depths of the labyrinth!