| Level
| Mana Cost
| Cooldown
| Cast Range
| Area of Effect
| Duration
| Effects
|
| 1
| N/A
| N/A
| N/A
| N/A
| N/A
| Attack speed increased by 0.5 for every 1% Health missing. Maximum bonus of +100 attack speed.
|
| 2
| N/A
| N/A
| N/A
| N/A
| N/A
| Attack speed increased by 0.8 for every 1% Health missing. Maximum bonus of +100 attack speed.
|
| 3
| N/A
| N/A
| N/A
| N/A
| N/A
| Attack speed increased by 1.2 for every 1% Health missing. Maximum bonus of +100 attack speed.
|
| 4
| N/A
| N/A
| N/A
| N/A
| N/A
| Attack speed increased by 1.4 for every 1% Health missing. Maximum bonus of +100 attack speed.
|
