Currencies are earned and spent in Injustice 2 Mobile. They include:
- Credits - used for basic transactions
- Power Gems - used for advanced transactions
- Arena Medals - earned in the Arena and used to purchase certain hero shards and gear
- League Credits - earned in Raids and League Missions and used to purchase certain hero shards and gear, as well as Xp Capsules
A few resources do not "buy" things but may also be considered currencies:
- Stamina - consumed for challenge battles (upon winning), as well as campaign battles and Resource missions (upon entering)
- Orbs - earned in Raids and used to upgrade hero star rating to 6
- Gear Material
- Gear Reforge