"Your first Planeswalk is always accidental," Liliana explained, matter-of-factly. "Usually something quite traumatic happens, most usually a threat to your life, along with the intense desire to get away. And your Planeswalker spark alights, and you tumble through the Blind Eternities, ending up somewhere else." She took a calm sip of her wine. "Of course, that's true of most races now. I believe the ancient dragons Planeswalk as a part of just what they are, but that's speculation."