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April Fool's
Lawful Good
Max HP 15,221
HP Rank
Max ATK 10,184
ATK Rank
Base Atk1,573Base HP2,232
Max Atk 10,184 Max HP 15,221
Grail Atk 11,148 Grail HP 16,675
NP per Hit (%) Show Info 0.77%
NP when Attacked (%) 5%
Star Absorption 10
Star Generation per Hit 5.0%

Table of Contents

Servant Skills

Nurse of Steel A

Recovers one ally's HP.

Show Info
Heal + 2000 2200 2400 2600 2800 3000 3200 3400 3600 4000
CD 7 7 7 7 7 6 6 6 6 5

Available from the start

Nurse of Steel A+

Recovers one ally's HP.
Grants target Debuff Immunity 3 times for 3 turns.
Grants target Instant-Kill Immunity for 1 time for 3 turns

Show Info
Heal + 2000 2200 2400 2600 2800 3000 3200 3400 3600 4000
CD 7 7 7 7 7 6 6 6 6 5

Upgrade via Rank Up Quest (not available, ETA 2020/07)

Understanding of the Human Body A

Increases own attack against Humanoid enemies for 3 turns.
Increases own defense against Humanoid enemies for 3 turns.

Show Info
Humanoid Damage + 30% 32% 34% 36% 38% 40% 42% 44% 46% 50%
Humanoid Defense + 15% 16% 17% 18% 19% 20% 21% 22% 23% 25%
CD 8 8 8 8 8 7 7 7 7 6

Unlocks after 1st Ascension

Angel's Cry EX

Increases one ally's Buster performance for 3 turns.

Show Info
Buster + 30% 32% 34% 36% 38% 40% 42% 44% 46% 50%
CD 7 7 7 7 7 6 6 6 6 5

Unlocks after 3rd Ascension

Class Skills

Madness Enhancement EX

Increase your Buster Card effectiveness by 12%.

Noble Phantasm

Nightingale Pledge C

Remove debuffs for all allies.
Recovery HP for all allies.


Decrease NP Strength for all enemies (1 turn).

Show Info

Nightingale Pledge

I Will Abstain From Whatever Is Deleterious And Mischievous

Rank Classification Hit-Count
C Anti-Army

Remove debuffs for all allies.
Recovery HP for all allies.

Level 1 2 3 4 5
3000 4000 4500 4750 5000
Overcharge Effect

Decrease NP Strength for all enemies (1 turn).

Charge 100% 200% 300% 400% 500%
50% 62.5% 75% 87.5% 100%
Nightingale Pledge (Upgrade 1) C+

Upgrade via Interlude Quest 1 (not available, ETA 10/2019)

Decrease ATK for all enemies by 50% (1 turn).
Remove debuffs for all allies.
Recovery HP for all allies.


Decrease NP Strength for all enemies (1 turn).

Show Info

Nightingale Pledge (Upgrade 1)

I Will Abstain From Whatever Is Deleterious And Mischievous

Rank Classification Hit-Count
C+ Anti-Army
Effect Decrease ATK for all enemies by 50% (1 turn).
Remove debuffs for all allies.
Recovery HP for all allies.
Level 1 2 3 4 5
50% 50% 50% 50% 50%
3000 4000 4500 4750 5000
Overcharge Effect

Decrease NP Strength for all enemies (1 turn).

Charge 100% 200% 300% 400% 500%
50% 62.5% 75% 87.5% 100%

Assorted Info

ID 97
Cost 16
Gender Female
Growth Semi S
Inst. Death Chance 56.80%
Damage Distribution Quick 6,13,20,13,20,28
Damage Distribution Arts 66,34
Damage Distribution Buster 100
Damage Distribution Extra 6,13,20,26,35
Damage Distribution NP

Attack / HP Growth

Stat Ratings

Interlude Quests

Quest Requirements Reward
Interlude 1 (ETA 2019/10)
Chapter Completion: Solomon

Ascension: 3

Bond: 5

Interlude 2 (ETA 2021/3)
Chapter Completion: Solomon

Ascension: 3

Bond: 5

Rank Up 1 (ETA 2020/7)
Chapter Completion:

Ascension: 4

Bond: 0

✔ = Available ✖ = Unavailable

Ascension Materials


Skill Enhancement Materials

1 → 2 200,000
2 → 3 400,000
3 → 4 1,200,000
4 → 5 1,600,000
5 → 6 4,000,000
6 → 7 5,000,000
7 → 8 10,000,000
8 → 9 12,000,000
9 → 10 20,000,000

Costume Dress Materials

Costume Cost Materials
April Fool's

Bond CE

Bond Level 1 2 3 4 5 6 7 8 9 10
Bond Pts Req. 5,000 15,000 10,000 2,000 18,000 150,000 430,000 340,000 320,000 405,000
IndomitablenessWhen equipped on Nightingale, Increase Buster Card effectiveness of all allies by 10% and increase Healing Received by 20% for all allies while she's on the field.

Table of Contents


‘I’m here to save you. Even if that means taking your life!’

Florence Nightingale, the legendary nurse known as the Angel of the Crimea, sets up her clinic in Chaldea as an unusual support-focused Berserker. While she brings some tools to bolster her own damage and defenses, the majority of her kit is dedicated to healing, buffing, and cleansing allies, true to her nature.

Nightingale’s paradoxical combination of role and class means she occupies an odd place in most teams. Despite her typical Support statline of high HP and low ATK, she benefits from a high rank of Madness Enhancement, the Berserker 1.1x ATK modifier, and nigh-universal offensive class advantage. Combined with the anti-Humanoid damage provided by Understanding of the Human Body, Nightingale can deal very good damage with her basic attacks, at least to Humanoid enemies.

However, her true focus lies in her supportive capacity. Nightingale packs one of the strongest Buster buffs in the game in Angel’s Cry, allowing her to supercharge any Buster-focused damage dealer for 3 turns. In addition, her Nurse of Steel is one of the best targetable heals in the game, later granting valuable Debuff Immunity as well after her Rank Up. Her NP is her claim to fame: Nightingale Pledge not only heals the entire team and cleanses any debuffs, it hits all enemies with a heavy NP Damage Down debuff, plus a 50% ATK down post-Interlude.

Unfortunately for our good nurse, she has some glaring weaknesses. The primary problem Nightingale faces is that, despite her heals and her high HP stat, she remains a squishy Berserker. Often she can be taken from full health to dead in the span of a single turn, especially against enemies with high crit rates. This problem is compounded by the fact that Understanding of the Human Body’s ATK and DEF buffs only work against humanoid targets, leaving her far weaker against certain dangerous bosses. Last but not least, she faces stiff competition in her respective niches of sustain and Buster support, leaving her rarely the optimal choice to fill a gap in teams.  

All in all, the Angel of the Crimea is a potent supportive force on the battlefield, keeping her team healthy and strong - if she can stay alive herself.


Good Overall Team Sustain

Between her low-cooldown targeted heal and her partywide heal and debuff cleanse, Nightingale is able to provide strong burst healing for any allies on death’s door. Post-Rank Up, Nurse of Steel also grants 3-time Debuff Immunity for 3 turns on top of the targetable heal, allowing the affected target to bypass some of the most devastating debuffs in Challenge Quests.

Extremely Strong NP Debuff

Nightingale has one of the most powerful NP Down debuffs in the game on her NP, and it scales with Overcharge. At 500% Overcharge, she can actually debuff an enemy’s NP damage by 100% for 1 turn. Even at lower Overcharge levels, she can greatly reduce the damage an enemy NP can deal, which becomes even more noticeable post-interlude when her NP also reduces the enemy’s ATK by 50%. This allows her to serve as a powerful counter to dangerous enemies who remove buffs before dealing damage, such as Amakusa Shirou.

High Personal Damage and Strong Basic Cards

The combination of several factors (Berserker damage modifier, Anti-Humanoid damage buff, Madness Enhancement EX) allows Nightingale to deal much more damage than most competing Supports, especially given her generally constant offensive class advantage. In addition, Nightingale’s Command Cards are quite decent all-around, with strong Busters, decent NP gain on her Arts cards, and excellent Quick and Extra cards, both of which will generate good NP charge and decent Critical Stars.

High Value Targetable Buster Buff

Nightingale boasts one of the best Buster buffs in the game, with Angel’s Cry scaling up to a full 50% and lasting an impressive 3 turns on a 5 turn cooldown, all while being freely targetable.


Highly Fragile Compared to Most Supports

Though Nightingale has a higher than average HP stat for a Berserker, it only goes half as far as it normally would thanks to the universal defensive weakness of the class. In addition, Nightingale’s only direct defense is her 25% DEF boost against Humanoid enemies. If focused, she may drop before she has a chance to heal herself up. Nightingale thus greatly benefits from additional Defense Up buffs, not only for her own survival, but also to make her healing last for longer and her NP’s debuffs even more more effective.  

Split Focus in Healing and Buster Support

As the price for having both offensive support and healing, Nightingale is slightly less effective than a specialist in either domain. She often can’t outheal a dedicated healer Servant, while she is also usually outmatched in comparison to Servants who provide more dedicated offensive support, especially since she only has one type of offensive buff.

Situational Noble Phantasm

While the heal and cleanse on Nightingale Pledge are always welcome, the enemy debuffs are susceptible to a few weaknesses. If the enemy has Debuff Immunity, cleanses their debuffs, or buffs their Attack or NP Damage, they can easily counteract or nullify a portion of her NP Down and Attack Down. Even otherwise, hard fights often contain dangerous single target NPs that will kill even through the debuffs, or bosses who rely on heavy critical damage, which her NP has trouble dealing with.

Level Up Skill Recommendation

Since Nightingale focuses on properly supporting her allies more than her personal damage output, her skill leveling order also reflects that focus. The order of maxing either her healing capability or her offensive support generally depends on the overall team composition. However, in a vacuum, maxing Angel’s Cry for the superb Buster buff is preferable since Nightingale has more than one source of healing already. Maxing Nurse of Steel improves her consistency, and finishing with Understanding of the Human Body shores up her personal offense and defense.

  • Nurse of Steel A – Her first skill supports her role as a healer very well. As one of the premier high-value low-cooldown heals in the game, it benefits greatly from leveling. Max this skill second, unless focusing purely on Nightingale’s healing role, in which case max it first.

  • Understanding of the Human Body A – This skill increases her damage output (up to 50%) and reduces damage taken (up to 25%) from enemies with the Humanoid trait. This includes almost all Servants in the game as well as many other enemy types (such as zombies, soldiers, naga, amazonesses, werewolves, centaurs, helter-skelters). The increased damage is nice, but the real draw of this skill is the defense, making her less frail than her class would imply. Although a useful skill to have, it is not quite as high priority as her other two skills. Max it last.

  • Angel’s Cry EX – The Buster card performance boost of her third skill is arguably the greatest on-demand boon she provides to a party. Given its generous 3-turn duration, the decreased cooldown (5 turns), and 50% performance boost at maximum level, max this skill first as soon as possible.

Craft Essence Recommendation

Nightingale’s focus is on party sustain and utility with her NP, as well as providing offensive support for a Buster damage dealer. Therefore, for longer fights, she tends to lean towards CEs that offer Passive NP Generation, Healing Effectiveness, and Passive Critical Star Generation. For shorter fights, Starting NP Gauge is effective as well.

  • Prisma Cosmos
    As the premier option for passive NP gain, Prisma Cosmos is a strong choice for enabling Nightingale to NP more often, especially with her middling NP gain. This allows her to better sustain the team or debuff enemies on NP turns without having to use her Command Cards.

  • A Fragment of 2030 / His Rightful Place
    Passive Star Generation is an immensely powerful effect, and even moreso than usual on Nightingale for a couple of reasons. First, due to her Berserker star weight, it’s extremely unlikely that she will hog any of the stars she generates with it, and second, enabling critical hits for someone buffed by Angel’s Cry will result in monstrous damage output.

  • Gentle Affection / Indomitableness
    Due to her healing focus, the additional healing effectiveness from Gentle Affection can greatly increase her overall output towards team sustain, especially on her NP turns. Her Bond CE, Indomitableness, is one of the rare useful Bond CEs in the game, and adds a small party-wide Buster buff on top of increasing the healing received by all party members (which works the same as increased heal effectiveness on her).

  • Kaleidoscope / Devilish Bodhisattva
    For quests which require an early NP out of Nightingale, Starting NP Gauge is very valuable. Kaleidoscope gives the fastest route to using her NP, while Devilish Bodhisattva takes a little longer, but improves Nightingale’s very strong Overcharge effect by two levels for her first NP.

  • Art of Death
    A very niche pick, but one that holds merit for certain challenges. The anti-Humanoid damage on Art of Death stacks with Nightingale’s Understanding of the Human Body to reach some truly nasty damage numbers on enemy Servants. While Nightingale will usually be serving as a Support, there are a few quests where equipping this CE and using her as a damage dealer who happens to have some sustain abilities can yield good results.

Table of Contents

Other Info

Release Date America Chapter Release
AKA/Alias/Nicknames Florence Nightingale, Mercedes
Country/Place of Origin United Kingdom
Illustrator Keitarou Takahashi
Seiyuu (CV) Miyuki Sawashiro
Series Fate/Grand Order



Valentine's CE


Non-Limited - Available in the general summoning pool.

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