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.
Onion Knight
Tier
B
Role
Commando
Elements
EarthWindFire
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.

All Sanctum locations

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.
SkillTypeElementMPEffect
FireActiveFire5(Black Magic) Deal Fire magic damage.
AeroActiveWind5(Black Magic) Deal Wind magic damage.
StoneActiveEarth5(Black Magic) Deal Earth magic damage.
Magic Attack +20%Passive--Increases damage dealt by magic attacks by 20%.
Late BloomerPassive--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.
SkillTypeElementMPEffect
FiraActiveFire15(Black Magic) Deal Fire magic damage.
AeroraActiveWind15(Black Magic) Deal Wind magic damage.
StoneraActiveEarth15(Black Magic) Deal Earth magic damage.
Nullify SlowPassive--Prevents Slow.
MP +20%Passive--Increases MP by 20%.

Awakening Level 2

Needs 2 awakenings with Magicite at the Moogle of Light.
SkillTypeElementMPEffect
Blade TorrentActiveWind41Deal Wind magic damage to an enemy.
FiragaActiveFire44(Black Magic) Deal Fire magic damage.
AerogaActiveWind44(Black Magic) Deal Wind magic damage.
StonegaActiveEarth44(Black Magic) Deal Earth magic damage.
Speed +10%Passive--Increases speed by 10%.
ChuckPassive--Increases damage dealt by Throw by 50%.

Awakening Level 3

Needs 3 awakenings with Magicite at the Moogle of Light.
SkillTypeElementMPEffect
Dual JobsSupport-41Grant use of both Blade Torrent and selected Onion Knight skill in a single turn.
FlareActive-63(Black Magic) Deal non-elemental magic damage to an enemy.
Job ChangePassive--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.

Resonance

Onion 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.
RankBonusEffectAP
MR 1ThrowThrow an item at a target.15
MR 2Magic +5Permanent stat bonus-
MR 3Spry StepsAdds a 25% chance of evading magic attacks.20
MR 4AP +8Permanent stat bonus-
MR 5Observe and Recover HPRestores 10% of max HP when performing an action without dealing damage.20
MR 6MP +20Permanent stat bonus-
MR 7Vigorous AttacksWhen at full HP or higher, increases damage dealt by 30%.20
MR 8Magic +15Permanent stat bonus-
MR 9LB Triple ChargeTriples the LB gauge fill rate.50
MR 9AP +8Permanent stat bonus-
MR 9Spirit of Onion KnightActivates 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.
AbilityTypeLearned fromMastery RankAP
LB Charge OpenerPassiveAileenMR 530
Recuperate LBPassiveFirionMR 740
Observe and Charge LBPassiveAileenMR 735
LB Triple ChargePassiveOnion KnightMR 930
DualcastSupportShantottoMR 950
Magic BarrageSupportY’shtolaMR 940
LB Charge on HealPassiveAyakaMR 940

Best skills and abilities to equip

Onion Knight Overview

Role, Element, and First Appearance

Role
Commando
Elements
EarthWindFire 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.