They are the new collectibles, and when you collect 1 of each, you can redeem them for a prize! But, I would wait to redeem them, as the mastery levels are reseting, so you will be spending collectibles to not get the full prize.
They are the new collectibles, and when you collect 1 of each, you can redeem them for a prize! But, I would wait to redeem them, as the mastery levels are reseting, so you will be spending collectibles to not get the full prize.