In RF Online, Skill and Force Buffs and Debuffs are important to strengthened your character like boosting attack power and defense, increase critical attacks, movement speed, force range, and etc.
Note: Table best viewed in Desktop (PC)
Skill Buffs
Warrior 
| Image | Name | Type | Target | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | GM | Effects |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Wild Rage | Buff | Self | +10% | +12% | +15% | +18% | +21% | +25% | +30% | Increase Attack Power (Melee only) |
 | Accuracy | Buff | Self | +10 | +12 | +15 | +18 | +21 | +25 | +30 | Increase Accuracy (Melee only) |
 | Wide Range | Buff | Self | +5 | +10 | +15 | +20 | +25 | +30 | +35 | Increase Attack Range (Melee only) |
 | Skill Stretch | Buff | Self | +20% | +30% | +40% | +50% | +65% | +80% | +100% | Increase Skill Buffs Duration |
 | Counter Attack | Buff | Self | 5% | 7% | 10% | 12% | 15% | 18% | 20% | Chance to dodge an attack and strike back |
 | Guard Break | Buff | Self | 5% | 7% | 10% | 12% | 15% | 18% | 20% | Chance to ignore the target’s block rate |
 | Bull’s Eye | Buff | Self | +10 | +12 | +15 | +18 | +21 | +25 | +30 | Increase Critical Hit Chance (All weapons) |
| Duration of buff | 90 | 140 | 210 | 320 | 480 | 720 | 1080 |
Ranger
| Image | Name | Type | Target | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | GM | Effects |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Fast Reload | Buff | Self | -0.8s | -0.9s | -1.0s | -1.1s | -1.2s | -1.3s | -1.4s | Decrease Attack Delay (Ranged only) |
 | Precision | Buff | Self | +10 | +12 | +15 | +18 | +21 | +25 | +30 | Increase Accuracy (Ranged only) |
 | Wide Range | Buff | Self | +10 | +20 | +30 | +45 | +60 | +75 | +100 | Increase Attack Range (Ranged only) |
 | Evasion | Buff | Self | +10 | +12 | +15 | +18 | +21 | +25 | +30 | Increase Dodge |
 | Crossfire | Buff | Self | +10 | +12 | +15 | +18 | +21 | +25 | +30 | Increase Critical Hit Chance (All weapons) |
| Duration of buff | 90 | 140 | 210 | 320 | 480 | 720 | 1080 |
Note
Skill Bulls Eye Increasing Critical Attack for any weapon you use
Crossfire Skill Increasing Critical Attack for any weapon you use
In RF Online last update 4.55, Bulls Eye and Crossfire removed from default warrior / ranger skill instead you must do 2nd promotion class to get Bulls Eye for Warrior, Crossfire for Ranger.
Skill Counter Attack increasing miss for Warrior and character will do counter-attack with weapon he is using.
Force Buff and Debuff
Holy Force (only for 
Bellato Union)
Bellato Union)| Image | Name | Type | Target | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | GM | Effects |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Bless | Buff | Self, Allies | +20% | +30% | +40% | +50% | +65% | +80% | +100% | Extends the duration of Force Buffs |
 | Restoration | Buff | Self, Allies | 20% | 25% | 30% | 40% | 60% | 70% | 100% | Recovers a percentage of the target’s SP |
 | Soul Ballad | Buff | Self, Allies | +50% | +100% | +120% | +140% | +160% | +180% | +200% | Increase the HP/FP recovery rate |
 | Elemental Resist | Buff | Self, Allies | +1 | +2 | +3 | +4 | +5 | +7 | +15 | Increase Elemental Resistance |
 | Healing | Buff | Self, Allies | 10% | 12% | 15% | 18% | 21% | 25% | 30% | Recovers a percentage of target’s HP |
 | Velocity (Speed) | Buff | Self, Allies | +1.0 | +1.1 | +1.2 | +1.4 | +1.6 | +1.8 | +2.0 | Increase Movement Speed |
 | Agility | Buff | Self, Allies | +10 | +12 | +15 | +18 | +21 | +25 | +30 | Increase Dodge |
 | Holy Shield | Buff | Self, Allies | +10% | +12% | +15% | +18% | +21% | +25% | +30% | Increase Defense |
 | Effective Consume | Buff | Self, Allies | -5% | -10% | -15% | -20% | -25% | -30% | -35% | Decrease FP Requirements for Force Skills, Buffs and Debuffs |
| Duration of buff | 90 | 140 | 210 | 320 | 480 | 720 | 1080 |
Dark Force Buff (only for 
Holy Cora Alliance)
Holy Cora Alliance)| Image | Name | Type | Target | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | GM | Effects |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Exertion | Buff | Self, Allies | -0.10s | -0.12s | -0.15s | -0.18s | -0.21s | -0.25s | -0.30s | Increase Attack Power (Melee only) |
 | Approaching | Buff | Self, Allies | 10% | 12% | 15% | 18% | 21% | 25% | 30% | Increase Accuracy (Melee only) |
 | Mighty | Buff | Self, Allies | -0.1s | -0.2s | -0.4s | -0.7s | -1.1s | -1.6s | -2.2s | Increase Attack Range (Melee only) |
 | Broad Outlook | Buff | Self, Allies | +10% | +12% | +15% | +18% | +21% | +25% | +30% | Increase Skill Buffs Duration |
 | Celerity | Buff | Self, Allies | +50 | +50 | +50 | +50 | +50 | +50 | +50 | Chance to dodge an attack and strike back |
 | Velocity (Speed) | Buff | Self, Allies | +1.0 | +1.1 | +1.2 | +1.4 | +1.6 | +1.8 | +2.0 | Chance to ignore the target’s block rate |
 | Acute | Buff | Self, Allies | +10 | +12 | +15 | +18 | +21 | +25 | +30 | Increase Critical Hit Chance (All weapons) |
 | Effective Consume | Buff | Self, Allies | -5% | -10% | -15% | -20% | -25% | -30% | -35% | Decrease FP Requirements for Force Skills, Buffs and Debuffs |
| Duration of buff | 90 | 140 | 210 | 320 | 480 | 720 | 1080 |
Force Debuff
| Image | Name | Type | Target | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | GM | Effects |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Hell Bless | Debuff | Enemy, Monster | -100/s | -100/s | -100/s | -100/s | -100/s | -100/s | -100/s | Drains the target’s HP/FP/SP every second |
 | Blind Sight | Debuff | Enemy | -200 | -230 | -260 | -290 | -310 | -350 | -400 | Reduce the enemy’s field of view |
 | Weakness | Debuff | Enemy, Monster | -12.5% | -25% | -37.5% | -50% | -62.5% | -75% | -87.5% | Reduce the target’s Defense |
 | Vulnerability | Debuff | Enemy, Monster | -25 | -35 | -45 | -55 | -65 | -75 | -100 | Reduce the target’s Elemental Resistance |
 | Enfeeblement | Debuff | Enemy, Monster | -12.5% | -25% | -37.5% | -50% | -62.5% | -75% | -87.5% | Reduce the target’s Attack Power |
 | Sloth | Debuff | Enemy, Monster | -10 -5 | -12 -7 | -15 -10 | -20 -12 | -25 -15 | -30 -18 | -50 -20 | Reduce Accuracy Reduce Dodge |
 | Slow | Debuff | Enemy, Monster | +0.10s +0.5s | +0.12s +0.7s | +0.15s +0.9s | +0.18s +1.1s | +0.21s +1.31s | +0.25s +1.5s | +0.30s +2.0s | Increase Attack Delay Increase Cooldown of Force Buff/Debuffs |
| Duration of Debuff | 30 | 36 | 45 | 54 | 63 | 75 | 90 |
