Webhe was able to locate the spider mother and spider father by using his beast breathing:
Spatial awareness technique during the mount.
Webinosuke learned total concentration breathing through exposure.
It's possible that he learned it over the course of season 1, just by being around other demon slayers and.
Webbeast breathing, related to wind breathing, is a style developed by inosuke.
This style of breathing focuses on the unpredictability of animals, making the forms and.