Inertia
Throws a curse onto the enemy to slow down the enemy
Required Level: 14
Required Items: Phantoms
Type: Attack
Classification: Active
Elemental Type: Organic
| Level | Speed Reduction | Attack Power Reduction (PvE) | Attack Power Reduction (PvP) | Range | Cooldown (sec) | Duration (sec) (PvE) | Duration (PvP) | MP Usage | SP Usage | Upgrade Fee (gp) |
| 1 | 16 | 11 | 9 | 163 | 20.5 | 15 | 12 | 25 | 20 | 1,500 |
| 2 | 18 | 12 | 10 | 166 | 21 | 15 | 12 | 28 | 21 | 2,200 |
| 3 | 20 | 13 | 11 | 169 | 21.5 | 15 | 12 | 31 | 22 | 2,900 |
| 4 | 22 | 14 | 12 | 172 | 22 | 15 | 12 | 34 | 23 | 3,600 |
| 5 | 24 | 15 | 13 | 175 | 22.5 | 15 | 12 | 37 | 24 | 4,300 |
| 6 | 26 | 16 | 14 | 178 | 23 | 15 | 12 | 40 | 25 | 5,000 |
| 7 | 28 | 17 | 15 | 181 | 23.5 | 15 | 12 | 43 | 26 | 5,700 |
| 8 | 30 | 18 | 16 | 184 | 24 | 15 | 12 | 46 | 27 | 6,400 |
| 9 | 32 | 19 | 17 | 187 | 24.5 | 15 | 12 | 49 | 28 | 7,100 |
| 10 | 34 | 20 | 18 | 190 | 25 | 15 | 12 | 52 | 29 | 7,800 |