Solid Air ( (くう) () (ぎょう) () Kūkigyōko?)is a Quirk used by Kosei Tsuburaba.


This Quirk allows Kosei to solidify air to form a wall or platform through his breath.

The airwall does not fall to the ground once it has solidified and will stay afloat in midair, even when another person hangs onto it. The size of the wall or platform depends on the lung capacity of the user.[1]

The barriers are breakable, as shown when Katsuki Bakugo was able to punch through one of them.[2]


  1. My Hero Academia Manga: Chapter 30, Pages 2-3
  2. My Hero Academia Manga: Chapter 30, Page 3

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