Upgrade Points in Destiny 2 can be used by Guardians to unlock subclass perks. Each Upgrade Point can unlock one subclass perk.
Sources[]
Guardians earn one Upgrade Point each time they level up until reaching level 20.
Guardians can also earn Upgrade Points by completing the following adventures:
- Calling Them Home
- Bad Neighbors
- Deep Conversation
- Lost Crew
- Reversing the Polarity
- Anti-Anti-Air
- Postmodern Prometheus
- Unexpected Guests