Fluid Mastery (Su)
Source: Advanced Class Guide, p. 46
The shaman gains a swim speed equal to her base land speed, as well as the ability to breathe underwater. In addition, she can unleash a torrent of ice and water from her hands in a 15-foot cone as a standard action. This torrent deals 1d4 points of cold damage per 2 shaman level she possesses, and pushes affected creatures back 5 feet directly away from the shaman. A successful Reflex saving throw halves the damage and negates the push. The shaman can use this ability three times per day, but she must wait 1d4 rounds between uses.
True Spirit Ability: A shaman who chooses the waves spirit as her spirit or wandering spirit gains the following ability upon having access to the true version of that spirit.