The only way to unlock a new sphinx's vault is to solve her riddles.
Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous Previous k k k k k k k k k k k k k k k k k k k k k k k k k k k h k k k k a a a a a a a a a Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD Ultra HD