Dimension Slash weaponizes the multiverse in One-Punch Man. Empty Void wields the most powerful attack in the series. Blast is the best counter to Empty Void's multiverse attack.

One-Punch Man is no different from many other superhero and science-fiction stories, with a healthy appreciation for the storytelling potential of the multiverse. The series has previously dived into the concept on varying levels, but typically no more than a glimpse in previous instances, including time travel and parallel realities. However, with the most terrifying and strongest attack seemingly threatening the fabric of the multiverse, One-Punch Man will inevitably explore this sci-fi trope in greater detail soon.

One-Punch Man's manga adaptation by Yusuke Murata has beautifully captured different renditions of the multiverse, stoking theories of fans for years at this point. It's previously handled how timelines can be affected and altered, but now there's a threat great enough to exist seemingly...