The Warrior Stone is a standing stone in The Elder Scrolls V: Skyrim. It is one of the first three guardian stones the Dragonborn can choose from.
The Warrior Stone improves combat-associated skills 20% faster. The Warrior skills are:
After completing "Unbound," continue to follow either Ralof or Hadvar and they will lead you to it. It is located southwest of Riverwood, and north-northwest of Helgen close to the river.
The Mage Stone and The Thief Stone can be found at the same place.