| Level | Ability | Skill | Mana | Range | School | Cost |
|---|
|
|  | Improved Thorns Damage | | Damage dealt by Thorns increased by 4 and duration increased by 50%. |
| Improved Thorns Damage | | | |
| | | | Physical | |
|  | Improved Thorns (Rank 1) | | Increases damage caused by your Thorns spell by 25%. |
| Improved Thorns | | Rank 1 | |
| | | | Physical | |
| | Improved Thorns (Rank 2) | | Increases damage caused by your Thorns spell by 50%. |
| Improved Thorns | | Rank 2 | |
| | | | Physical | |
| | Improved Thorns (Rank 3) | | Increases damage caused by your Thorns spell by 75%. |
| Improved Thorns | | Rank 3 | |
| | | | Physical | |
