Groupon offers Destiny: The Taken King Legendary Edition for PlayStation 4, Xbox One, PlayStation 3, or Xbox 360 for $19.99. Coupon code "VISA5" drops it to $18.99. With $3.99 for shipping, that's $9 under last week's mention and the lowest total price we've seen. (It's the best now by $17.) It includes Destiny, all current DLC, and Destiny: The Taken King. Deal ends January 29.