"Stone skin? Steel skin? Diamond skin? Why let it go that far? Never let it touch your skin at all. Use the water to create a better armor. Cover yourself and don't let a single thing though. My elder's children have all learned to make themselves ice armors. Just learn that." Current was clear that he thought strengthening the skin was not as important as making a tough armor. Especially one that could be replenished by water.
The water in the air could even be taken and used to make the armor stronger. Need a shield? Make it from water. Need a new chest piece? Make it from water. Broken gauntlet? Repair them with the water around you and freeze it in to a solid and unbreakable ice. It was an endless armor in the eyes of the water affinity dragons.
