Webas the battle progresses, tanjiro suddenly collapses, and his wound begins to form a large mass over his right eye due to the poison inflicted on him by muzan.
Webmoon breathing is a breathing style that mimics the moon, specifically the crescent shape of the moon as it waxes and wanes and the erratic behavior of passing moonlight, and.
Webduring his battle with gyutaro, tengen used his muscles to stop his heart and temporarily prevent the poison from circulating, which also allowed him get the drop on gyutaro,.