Today's new events allowed me to buff Itto with def and attack in various ways, so I was curious and decided to see just how much I can make it.

Arataki Itto is currently leveled at 9, 6, 10. So Ushi's damage could be higher. Then again, him using Diluc's weapon in the video instead would give more crit damage and therefore more Ushi damage in practice... but I like big numbers for his attack.