As of now there are only 4 perks a class can choice. Only one perk can be used at a time but can be swapped out for any of the others.
Amulet of Endurance - Instantly restores you 30% of your health. Usable while stunned. | Cooldown 40 sec
Amulet of Healing - Removes all effects which cause loss of control of your character | Cooldown: 60 sec
Revival - Reduces the damage you take by 50% for 5 seconds. Usable while stunned. | Cooldown: 60 sec
Runic Bandage - Heals your target for 7% of its maximum health every second for 8 seconds. Healing is interrupted if you take direct damage. | Cooldown: 30 sec
- Zeal Official Site This description is from the official site.