Amazon offers Twitch Prime members Five Standard Overwatch Loot Boxes for free. (You must own Overwatch to redeem these loot crates. To access them, you'll need to link your existing Twitch account to your Amazon Prime account.) This is the last chance to bag these October Loot Boxes. Twitch Prime offers in-game loot every month, plus exclusives and surprises. Also, you'll get ad-free viewing and a free channel subscription every 30 days. Finally, enjoy member discounts, pre-order price guarantee, and release-day delivery on pre-release box games on Amazon. Deal ends November 10.