I Gained Monstrous Strength on the Level of an Instant Death Skill

“Mana is zero? Doesn't matter. My fists can crush magic too.” An era where mana is synonymous with power and social status. Park Seong-il, a former Taekwondo national team prospect, is judged to have ‘zero mana’—the only person in human history to ever receive such a rating—and falls to the bottom of society as a porter chased by loan sharks. One day, due to a mysterious accident, Seong-il swallows an unidentified red orb. While his mana circuits still don't exist, he gains ‘instant-kill level superhuman strength’ that renders both magic and armor useless! He enters a dungeon while hiding his true power. Hunters blinded by greed leave him behind as a meat shield, collapsing the dungeon...