Refinements:

Decreases Swimming Stamina consumption by 15%. In addition, for 10s after using an Elemental Skill, Max HP is increased by 20%/25%/30%/35%/40%. For every Hydro Elemental Type character in the party, Max HP is increased by another 12%/15%/18%/21%/24%, and the maximum increase that can be achieved in this way is 24%/30%36%/42%/48%. Can be triggered once every 15s.