Webthe hashira are the cream of the crop in the demon slayer corps, having devoted their lives to honing their breathing techniques to a level that could threaten even the.
Websanemi's breathing style is wind breathing.
This style is directly descended from sun breathing, making use of rapid rotations to emulate whirlwinds and the like to deliver.
Websanemi has only hinted at how wind breathing works, but based on what fans have seen so far, sanemi is like a whirling dervish, delivering rapid and aggressive.