Spirit Mastery is a passive Voodoo Staff ability (not a hex) that increases the amount of damage done by any Voodoo hex attack. Unlocks at Voodoo Staff - Level 17
Increasing this ability increases the damage even more.
| Rank | Damage Increase |
|---|---|
| Level 1 | 5% |
| Level 2 | 10% |
| Level 3 | 15% |
| Level 4 | 20% |
| Level 5 | 25% |
| Level 6 | 27.5% |
| Level 7 | 30% |
| Level 8 | 32.5% |