Sale Ending Soon: Summer Strongbox 2017 It’s the final weekend of the Summer Strongbox 2017 sale, ending 12:00 UTC on August 21. One of the last remaining “Summer Ring 2017” rings could be waiting for you — they’re bursting with buffs! Find the Strongboxes in the Webshop. Strongbox/Ring Details are on the Classified Strongbox page . Source