Euryale is a decently strong fighter who is good with a sword. She’s a monster of legend so many fighters would not want to engage in combat with her from the start. However, Yang doesn’t get frightened very easily and I think she would be more than a match for Euryale. Her quick gun fists will allow Yang to slip around Euryale’s attacks and deal devastating counters. There’s not much Euryale can do against those options. Yang wins.