Explore the Bungie.net rewards section to find out what digital rewards are currently available. Specifically, identify the main digital reward offered and explain the steps required to claim it. Also, determine if there are any other distinct categories of digital rewards mentioned on this page.
Navigate to 'https://www.bungie.net/7/en/Direct/Rewards' Click on the 'CLAIM DIGITAL REWARDS' link. Identify the name of the primary digital reward displayed. Read the accompanying text to understand the requirement for claiming this reward. Scan the page for any other mentioned or implied categories of digital rewards.
The primary digital reward identified is 'Powerful Engram'. State that to claim the Powerful Engram, a user needs to 'Sign In to Earn' by opting into the Bungie Rewards program. Confirm that no other specific categories or types of digital rewards are explicitly mentioned or displayed on this page beyond the 'Bonus Rewards' section featuring the Powerful Engram.