The Bubble Pass was added in Update 31 and allows users to complete challenges and earn Points. The Season 1 Premium Bubble Pass could have been purchased for 549 , and had even better rewards. It was also the only way to obtain the Dual Lord, other than trading.
The Season 1 Bubble Pass was added on 8/17/2019 and was removed on 9/14/2019.
The Season 2 Bubble Pass was added on 9/27/2019 and will be removed on 10/25/2019.
List of Normal Rewards