The Arbiter in RF Online Next is a high-firepower close-range attacker who uses a Force Blade to deal massive damage. With skills that charge toward or pull in enemies, plus powerful AOE attacks and self-healing, the Arbiter is a well-rounded Bio suited to both solo play and large-scale PvP battles. This guide covers all Arbiter skills, stats, playstyle tips, and Bio Suit details.
Arbiter Overview
Bio Type: Arbiter
Attack Range: Close range
Damage Type: Force
Specialty: High DPS, self-buff zone, AOE attacks, enemy pull
- ▶A high-damage attacker specializing in close combat with Force-type skills
- ▶Can generate a self-enhancement area using Holy Zone
- ▶Possesses AOE skills effective in multi-enemy encounters and PvP
Arbiter Key Features
Close-Range Charge Attacker
The Arbiter specializes in sword combat and can quickly close the gap using skills that charge toward enemies or pull them in, then follow up with sustained Force damage.
Holy Zone — Self-Enhancement Area
The Holy Zone skill creates a field around the Arbiter that continuously buffs them as long as they remain inside it. Initial effects grant Force ATK +10 and Weapon Block +19%. At maximum skill reinforcement, the zone also adds Attack Speed +12%, Cast Speed +12%, Debuff Resistance +35%, and Stun Low Efficacy +35%.
Tip: Combine Holy Zone with Executor's Law to pull enemies into the zone, then follow up with AOE skills while all buffs are active. The more you strengthen your skills, the more buff effects you'll unlock as add-ons!
AOE Skills for Multi-Enemy and PvP Combat
Space Slash is a wide AOE attack that hits up to 5 targets. Its level-up add-on effects reduce the target's defense and healing amount, making it highly valuable in boss encounters and PvP engagements.
How to Use the Arbiter
Delivering the Final Blow
The Arbiter's high DPS combined with built-in self-healing allows it to sustain through moderate damage while pressing attacks. This makes it ideal for dealing finishing blows in competitive content such as the Mining War and Alvern Battlezone. Blade of Rest also grants status effect immunity during its animation, letting you act freely even under enemy debuff pressure.
Earning Contribution Points in World Boss Battles
Thanks to high DPS and long-reach attacks, the Arbiter can deal damage efficiently with minimal repositioning. This is especially effective in content like World Bosses, where reducing movement and sustaining output is key to earning contribution points.
Reducing Enemy Healing
Skills that cut the enemy's healing recovery are critical for the Arbiter. Against parties supported by a Technician with party-healing abilities, applying the healing reduction debuff can be the decisive factor in a fight.
Pull Enemies Together, Then AOE
Executor's Law pulls enemies directly in front of you, making it the perfect setup for a chain AOE burst. It excels in large-scale battles like Core World and Elysium Scramble where clustering multiple opponents is a major tactical advantage.
Recommended Arbiter Combo
- 1 Activate Holy Zone to establish your self-buff field.
- 2 Cast Executor's Law to pull enemies into the Holy Zone.
- 3 Follow up with Space Slash or Instant Judgment to unleash AOE damage while all buffs are active.
- 4 Use Stigma of Condemnation or Sword of Conviction to finish off priority targets.
Arbiter Playstyle
| Playstyle | Description |
|---|---|
| Solo Efficiency | High DPS with pull and self-heal allows effective farming without relying on a support Bio. Suitable for players who enjoy solo play. |
| Balanced PvP | Pull-in, self-healing, simultaneous damage + defense buffing makes the Arbiter durable and dangerous in PvP. The design is beginner-friendly yet scales into the mid-to-late game. |
| Boss Farming | Can deal sustained damage while keeping itself alive via healing from Instant Judgment. Healing reduction debuffs add value against bosses with self-recovery. |
Arbiter Stats to Prioritize
| Stat / Skill | Reason |
|---|---|
| Parry / Block Abilities | Develops offensive characteristics and reduces incoming damage efficiently. |
| Attack Speed / Cast Speed | Takes full advantage of the Arbiter's high DPS potential. |
| AOE Skills | Instant Judgment recovers HP based on number of targets hit — prioritizing AOE improves self-sustain significantly. |
| Force ATK Stats | The Arbiter attacks via Force, not Physical. Raising physical ATK stats does NOT increase actual damage output. Focus exclusively on Force ATK. |
Important: The Arbiter's attack method is Force, not Physical. Even if you increase physical attack skills or combat power stats, your actual attack power will not increase. You must raise Force attack skills to become stronger.
Arbiter Unique Skills
Skill information listed is based on initial effects before reinforcement.
Swings the sword mightily to deal damage to a single enemy. A core single-target nuke with high damage rate and low cooldown.
Charges at the enemy while swinging the sword. Short cooldown gap-closer that keeps pressure on single targets.
Slashes the space in front, dealing repeated Force damage to all enemies within range. Add-on effects from leveling up reduce target defense and healing — excellent in boss battles and PvP.
Calls upon the might of Decem, declaring a Holy Zone. Increases Force ATK and Weapon Block Rate while the user remains inside the zone. Range-based effect — use with Executor's Law for maximum value.
Pulls the enemy directly in front of the user. Excellent for grouping opponents inside Holy Zone before unleashing AOE skills, especially effective in large-scale battles.
Thrusts at the enemy in front, then spins to deal AOE damage to surrounding enemies. Recovers HP proportional to damage dealt with the spin attack. Prioritize upgrading this for improved self-healing.
Leaves a spatial gash, then delivers a powerful slash to deal Force damage to a single enemy.
Soars into the air and swings the sword to deal Force damage to nearby enemies while making the user immune to all debuffs. Essential for combat situations with heavy enemy CC.
Temporarily increases DEF for 90 seconds, providing a layer of defense during sustained fights.
Reduces Critical Hit Damage Received and Weapon Block Damage, increasing survivability when trading blows in PvP.
Swings the Force Blade to finish an enemy in the Finishing Blow state, entering a Frenzy state. The user becomes invulnerable to damage and debuffs while executing the finishing blow.
Increases Impact ATK and Force DEF for 4 minutes. Long duration makes this a strong pre-battle buff.
Concentrates force into the sword and delivers a powerful thrust to the enemy, decreasing its Force DEF. High-damage single target skill with a useful defense shred debuff.
Generates a debuff shield and increases Fixed Damage and Cut DEF for 4 minutes. Excellent for sustained fights where debuff immunity matters.
Increases Force ACC, Maximum Hit Rate, and Pull Debuff Hit Rate. Boosts the reliability of Executor's Law and overall Force accuracy.
Defeating an enemy has a chance to temporarily increase Movement Speed, Force Critical Hit Rate, and PvE Damage. Encourages aggressive play in mob-heavy content.
Permanently increases Force ATK. A baseline passive that reinforces the Arbiter's primary damage stat.
Permanently increases Force Critical Hit Rate, improving consistency of high-damage hits.
Permanently increases Cast Speed and Debuff Resistance, supporting both offensive flow and defensive stability.
Permanently increases Force DEF Pierce and overall Skill Damage Boost. Highly valuable for consistently breaking through enemy Force DEF in PvP.
Arbiter Shared Skills
| Skill | Effect | Description | |
|---|---|---|---|
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Attack Reinforcement | ATK +3 | Trains the body to enhance attack performance. |
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Weapon Reinforcement | Weapon ATK +3 | Improves weapon mastery to enhance attack performance. |
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Defense Reinforcement | DEF +3 | Researches effective defense techniques. |
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HP Reinforcement | Max HP +90 | Steady physical training to enhance Max HP. |
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Mental Discipline | Max FP +10 | Maintains a clear mind to optimize skill usage. |
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Skill Reinforcement | Skill Dmg Boost +1% | Increases skill damage output. |
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ACC Reinforcement | ACC +4 | Focuses the mind to increase skill accuracy. |
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Body Reinforcement | Fix Dmg Res +4 | Further trains the body to resist fixed damage. |
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Blocking Reinforcement | Crit Dmg Reduc +1% | Sharpens weapon defense to reduce damage from critical strikes. |
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Optimization | HP Regen +6 / Max HP +40 | Optimizes the suit for more efficient operation. |
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Spot Weakness | Critical Hit Rate +20 | Identifies enemy weaknesses to deal critical strikes. |
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Attack Master | Max ATK HR +10 | Heightens aggression to further enhance attacks. |
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Recovery Kit | HP Inj. Recov +6 / HP Inj. Count +60 | Optimizes actions needed for recovery. |
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Pain Adaptation | PvP Dmg Boost +1.5% / PvP Dmg Reduc +1.5% | Enhances reflexes in close combat for both offence and defence. |
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Clear Mind | FP Regen +4 / FP Cost Reduc -1.5% | Clears the mind to increase skill use efficiency. |
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Weapon Master | Weapon ATK +4 / Fixed Dmg +10 | Draws out the weapon's full potential for higher attack efficiency. |
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Motion Perception | Fixed Dmg +20 / ACC +4 | Sharpens motion perception for precise attacks against fast-moving enemies. |
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Hunting Master | Skill Dmg Boost +1.5% / DEF Pierce +12 | Trained hunting skills that pierce enemy defense and boost skill damage. |
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Deadly Attack | Crit Rate +16 / Crit Dmg Boost +2% / Crit Hit Dmg +15 | Identifies target weaknesses to deliver more powerful critical strikes. |
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Unassailable | Crit Res +16 / Fixed Skill Dmg Res +15 / Max ATK Res +10 | Fortifies the body to maintain a solid defensive baseline. |
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Strong Body | Max HP +180 / DEF +12 | Survival training to significantly enhance HP and DEF. |
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Technique Master | Fixed Skill Dmg +15 / Skill CD Reduc -1.5% | Maximizes skill use efficiency with faster cooldowns and bonus fixed damage. |
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Trinity | STR +8 / DEX +8 / INT +8 | Balanced enhancement across all three core stats. |
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Self-Sustained | VIT +4 / AGI +4 / Fixed Min Dmg +1 | The biosuit generates internal energy to sustain combat and deal bonus minimum damage. |
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Antimatter Field | Crit Dmg Reduc -4% / Crit Res Boost +1% / Crit Hit Dmg +20 | Mitigates incoming critical damage while empowering the user's own critical hits. |
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Metabolic Surge | HP Inj. Recov +12 / Max HP +600 / HP Regen +24 | Stimulates metabolism to significantly enhance recovery from damage. |
| Skill | Effect | Description | |
|---|---|---|---|
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Direct Confrontation | Fix ST Dmg +40 / AOE Dmg Reduc +1% / Debuff Res +1% | Boosts 1-on-1 combat performance with additional fixed single-target damage and damage reduction. |
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Blood Rage | ATK +50 / DEF +50 / ACC +90 (30s on kill) | A fallen enemy awakens the user's aggression, granting a powerful temporary stat boost. |
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Prelude of Counterattack | Evasion -100 / Debuff Hit Rate -15% (10s) | Attacks with indomitable will, paralyzing the enemy body and dealing damage over time. |
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Code Purification | Debuff cleanse | Conditionally cleanses debuff codes and enhances code security, restoring normal status. |
Arbiter Bio Suit
Bio Suit Design: Built for close-range to mid-range combat.
Optimal For: Force attacks and focused assault operations.
Attack Type: Close range / Force
