Check out the MapleStory x One-Punch Man collaboration trailer for this upcoming crossover event as the side-scrolling MMORPG joins forces with the anime One-Punch Man. The limited-time event brings a new adventure featuring themed quests, unique skills, exclusive rewards, and the arrival of One-Punch Man’s protagonist Saitama in MapleStory. Experience original storylines, event missions, and collectible items available only during the MapleStory x One-Punch Man event.The MapleStory x One-Punch Man crossover event begins March 18, 2026.