Stone Spirit

The shaman's spirit animal looks as though it's made out of earth and stone, with tiny gemstones embedded in its flesh. The animal gains DR 5/adamantine.

A shaman who chooses the stone spirit as her spirit or wandering spirit gains the following ability. Touch of Acid (Su): As a standard action, the shaman can make a melee touch attack that deals 1d6 points of acid damage + 1 point for every 2 shaman levels she possesses. A shaman can use this ability a number of times per day equal to 3 + her Charisma modifier. At 11th level, any weapon she wields is treated as a corrosive weapon.

A shaman who chooses the stone spirit as her spirit or wandering spirit gains the following ability upon having access to the greater version of that spirit. Body of Earth (Su): The shaman gains DR 2/adamantine. This DR increases by 1 for every 4 levels beyond 8th the shaman possesses. In addition, as a standard action, she can cause jagged pieces of stone to explode from her body in a 10-foot-radius burst. This deals 1d6 points of piercing damage per 2 shaman levels she possesses. A successful Reflex saving throw halves this damage. The shaman can use this ability three times per day, but she must wait 1d4 rounds between each use.

A shaman who chooses the stone spirit as her spirit or wandering spirit gains the following ability upon having access to the true version of that spirit. Elemental Form (Su): As a standard action, the shaman assumes the form of a Huge (or smaller) earth elemental, as elemental body IV with a duration of 1 hour per level. The shaman can use this ability once per day.

Upon reaching 20th level, the shaman becomes a being of acid and earth. The shaman gains acid resistance 30. She can also apply any one of the following feats to any acid or earth spell she casts without increasing the spell's level or casting time: Enlarge Spell, Extend Spell, Silent Spell, or Still Spell. She doesn't need to possess these feats to use this ability.