Final Fantasy III · Commando
Onion Knight Location: How to Get Onion Knight in FF Resonance
The Onion Knight comes from Final Fantasy III. He grants Fire, Wind and Earth magic plus Flare, and helps fill LB gauges quickly.
- Tier
- B
- Role
- Commando
- Elements



- Available
- Chapter 2

How to Get Onion Knight
Onion Knight Location: Enter the Sanctum of Onion Knight
- Chapter
- Chapter 2: Eternal Blue
- Method
- Sanctum
His sanctum is on the Dirnado continent, open to you from Chapter 2 onward.
Onion Knight Questions
Answers Do Not Matter
Before Onion Knight joins you, the crystal asks a few questions about the hero's story. Nothing changes based on your answers, and some questions spoil Final Fantasy III, so feel free to pick anything.
Onion Knight Best Users
Best Characters for Onion Knight
Casters like Fina and Sakura, and Nichol for LB Triple Charge.
Onion Knight Skills and Abilities
Awakening Level 0
Available as soon as you get the Vision.
| Skill | Type | Element | MP | Effect |
|---|---|---|---|---|
| Fire | Active | 5 | (Black Magic) Deal Fire magic damage. | |
| Aero | Active | 5 | (Black Magic) Deal Wind magic damage. | |
| Stone | Active | 5 | (Black Magic) Deal Earth magic damage. | |
| Magic Attack +20% | Passive | - | - | Increases damage dealt by magic attacks by 20%. |
| Late Bloomer | Passive | - | - | Increases damage dealt by Onion Knight's skills by 30% when the LB gauge is at 50% or higher. |
Awakening Level 1
Needs 1 awakening with Magicite at the Moogle of Light.
| Skill | Type | Element | MP | Effect |
|---|---|---|---|---|
| Fira | Active | 15 | (Black Magic) Deal Fire magic damage. | |
| Aerora | Active | 15 | (Black Magic) Deal Wind magic damage. | |
| Stonera | Active | 15 | (Black Magic) Deal Earth magic damage. | |
| Nullify Slow | Passive | - | - | Prevents Slow. |
| MP +20% | Passive | - | - | Increases MP by 20%. |
Awakening Level 2
Needs 2 awakenings with Magicite at the Moogle of Light.
| Skill | Type | Element | MP | Effect |
|---|---|---|---|---|
| Blade Torrent | Active | 41 | Deal Wind magic damage to an enemy. | |
| Firaga | Active | 44 | (Black Magic) Deal Fire magic damage. | |
| Aeroga | Active | 44 | (Black Magic) Deal Wind magic damage. | |
| Stonega | Active | 44 | (Black Magic) Deal Earth magic damage. | |
| Speed +10% | Passive | - | - | Increases speed by 10%. |
| Chuck | Passive | - | - | Increases damage dealt by Throw by 50%. |
Awakening Level 3
Needs 3 awakenings with Magicite at the Moogle of Light.
| Skill | Type | Element | MP | Effect |
|---|---|---|---|---|
| Dual Jobs | Support | - | 41 | Grant use of both Blade Torrent and selected Onion Knight skill in a single turn. |
| Flare | Active | - | 63 | (Black Magic) Deal non-elemental magic damage to an enemy. |
| Job Change | Passive | - | - | When attacking with Onion Knight's skills, applies the higher attribute of either physical or magic attack. |
Resonance
Job Change Attack
Deal non-elemental magic damage to all enemies. Increase power of Blade Torrent by 20% until battle ends.
ResonanceOnion Knight Mastery Bonuses
Mastery Rank Required and Cost
Ranks that teach an ability show its AP cost to equip. Stat ranks apply on their own. Every ability here costs 225 AP in total.
| Rank | Bonus | Effect | AP |
|---|---|---|---|
| MR 1 | Throw | Throw an item at a target. | 15 |
| MR 2 | Magic +5 | Permanent stat bonus | - |
| MR 3 | Spry Steps | Adds a 25% chance of evading magic attacks. | 20 |
| MR 4 | AP +8 | Permanent stat bonus | - |
| MR 5 | Observe and Recover HP | Restores 10% of max HP when performing an action without dealing damage. | 20 |
| MR 6 | MP +20 | Permanent stat bonus | - |
| MR 7 | Vigorous Attacks | When at full HP or higher, increases damage dealt by 30%. | 20 |
| MR 8 | Magic +15 | Permanent stat bonus | - |
| MR 9 | LB Triple Charge | Triples the LB gauge fill rate. | 50 |
| MR 9 | AP +8 | Permanent stat bonus | - |
| MR 9 | Spirit of Onion Knight | Activates all of Onion Knight's Mastery Rank abilities. | 100 |
Best Passive and Mastery Builds Using Onion Knight
LB Gauge Build
Fills the LB gauge fast so Late Bloomer stays active, then adds Dualcast, Magic Barrage and LB Charge on Heal for repeat casts.
Onion Knight Overview
Role, Element, and First Appearance
- Role
- Commando
- Elements


Earth, Wind, Fire
- First appearance
- Final Fantasy III
- Tier
- B
B because he is flexible but rarely the best at one job, though Late Bloomer adds 30% once the LB gauge is half full.
Other Commando Visions
Onion Knight FAQ
How do you get Onion Knight in FF Resonance?
His sanctum is on the Dirnado continent, open to you from Chapter 2 onward.
Who should use Onion Knight?
Casters like Fina and Sakura, and Nichol for LB Triple Charge.
Is Onion Knight good?
B because he is flexible but rarely the best at one job, though Late Bloomer adds 30% once the LB gauge is half full.
What is Onion Knight's Resonance?
Job Change Attack. Deal non-elemental magic damage to all enemies. Increase power of Blade Torrent by 20% until battle ends.




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