| Color | How to unlock
|
|---|
| Color 1 | Reach the rank of Mentor.
|
| Color 2 | Reach the rank of Master.
|
| Color 3 | Reach the rank of Rogue.
|
| Color 4 | Reach the rank of Brawler.
|
| Color 5 | Reach the rank of Marauder.
|
| Color 6 | Reach the rank of Berserker.
|
| Color 7 | Reach the rank of Warrior.
|
| Color 8 | Reach the rank of Avenger.
|
| Color 9 | Reach the rank of Vindicator.
|
