Another thing if they are grouped right and you can hit both of them with the orbitals it increases the breaking by a huge amount by allowing him to have AOE compared to his single target swords.
I calculate this hydro app based on hydro hits and xinqiu has 4.33 compared to yelan who has 3. you divide this by 3 and muliply the time interval to get 14.33 hydro apps every 10 seconds from xinqiu and only 10 from yelan.
