From whatswithjeff.com: "Sword Art Online 21 was recently released, the episode was entitled The Truth of ALfheim. This episode revealed some shocking scenes that involved Asuna. What happened? Please continue reading below. But before that, please be informed that this Sword Art Online 21 Review contains heavy spoilers. If you haven’t watched the episode yet and don’t want to get spoiled, I suggest you watch the episode first."