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170,000-Year Magicicada Adult (17万年ゼミ成虫, Jūnana Man-nen Zemi Seichū) was a large Mysterious Being that attacked Z-City at some point during Saitama's training years.


The Magicicada Adult is an extremely massive cicada, easily able to cast a large shadow over a city. Located at the center of its head is the face of a man.

Appearances in Other MediaEdit



170,000-Year Magicicada Adult attacks Z-City damaging many buildings. Saitama then appears before it and declares with a smile that summer has arrived.[2]

Abilities and PowersEdit

Since it is the grown up version of the 170,000-Year Magicicada Nymph, it is presumably much more powerful. Even S class would have difficulty dealing against it due to its resistant shell and its ability to fly.[1]

Flight: His wings allowed the Magicicada Adult to fly.


  1. 1.0 1.1 1.2 1.3 One-Punch Man Encyclopedia; One-Punch Man: Hero Perfection, page 183
  2. One-Punch Man Manga; Summer


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