Anime embrace many different genres and extremes, but some of the medium's most popular series are those that are dense in combat. Fight sequences may be crucial to many anime, especially the shonen genre. However, there's still a lot of room for interpretation when it comes to the depiction of this combat. Heightened anime series like Demon Slayer or Chainsaw Man transform fight sequences into grandiose spectacles that defy reality.
Source:https://www.cbr.com/most-realistic-martial-arts-anime-manga/