With Brave Frontier's 1 million Likes Celebration, Amazon has joined and is offering something awesome. You can get a rebates of up to 20% Amazon for every purchase of 50 and 100 Gem Packs from September 26th until the 27th, 6:00 PST.
Grab this limited time deal and opportunity!
For the official announcement, you can head over to this link.
Reminder: This Promo is limited to Amazon US users only.