Concentration
Increases attack rating with intense concentration
Cannot be used simultaneously with Swiftness.
Required Level: 40
Required Items: Axes, Swords
Type: Buff
Classification: Buff
| Level | Added Attack Rating | Cooldown (sec) | Duration (sec) | MP Usage | SP Usage | Upgrade Fee (gp) |
| 1 | 116 | 5 | 300 | 35 | 53 | 10,000 |
| 2 | 132 | 5 | 300 | 38 | 55 | 12,000 |
| 3 | 148 | 5 | 300 | 41 | 57 | 14,000 |
| 4 | 164 | 5 | 300 | 44 | 59 | 16,000 |
| 5 | 180 | 5 | 300 | 47 | 61 | 18,000 |
| 6 | 196 | 5 | 300 | 50 | 63 | 20,000 |
| 7 | 212 | 5 | 300 | 53 | 65 | 22,000 |
| 8 | 228 | 5 | 300 | 56 | 67 | 24,000 |
| 9 | 244 | 5 | 300 | 59 | 69 | 26,000 |
| 10 | 264 | 5 | 300 | 62 | 71 | 28,000 |