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April Fool's
Chaotic Evil
Max HP 12,696
HP Rank
Max ATK 11,557
ATK Rank
Base Atk1,786Base HP1,862
Max Atk 11,557 Max HP 12,696
Grail Atk 12,651 Grail HP 13,909
NP per Hit (%) 1.07%
NP when Attacked (%) 4%
Star Absorption 97
Star Generation per Hit 25.5%

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Servant Skills

Murderer on a Misty Night A

Grants self Evasion for 1 turn.
Increases own Quick performance for 1 turn.

Show Info
Quick + 30%32%34%36%38%40%42%44%46%50%
CD 8 8 8 8 8 7 7 7 7 6

Available from the start

Information Erasure B

Removes one enemy's buffs.
Reduces their critical attack chance for 3 turns.

Show Info
Critical - 10%12%14%16%18%20%22%24%26%30%
CD 7 7 7 7 7 6 6 6 6 5

Unlocks after 1st Ascension

Surgery E

Recovers one ally's HP.

Show Info
HP + 5007009001100130015001700190021002500
CD 6 6 6 6 6 5 5 5 5 4

Unlocks after 3rd Ascension

Class Skills

Presence Concealment A+

Increase your Critical Star Drop Rate by 11%.

Noble Phantasm

Maria the Ripper D

Deal significant DEF-ignoring damage to a single enemy.


Apply Special Attack [Female] status to yourself (1 turn). [Activates first]

Show Info

Maria the Ripper

The Holy Mother of Dismemberment

Rank Classification Hit-Count
D Anti-Personnel 4

Deal significant DEF-ignoring damage to a single enemy.

Level 1 2 3 4 5
1200% 1600% 1800% 1900% 2000%
Overcharge Effect

Apply Special Attack [Female] status to yourself (1 turn). [Activates first]

Charge 100% 200% 300% 400% 500%
50% 62.5% 75% 87.5% 100%
Maria the Ripper (Upgrade 1) D+

(Upgrade via Interlude Quest 1)

Deal significant DEF-ignoring damage to a single enemy.


Apply Special Attack [Female] status to yourself (1 turn). [Activates first]

Show Info

Maria the Ripper (Upgrade 1)

The Holy Mother of Dismemberment

Rank Classification Hit-Count
D+ Anti-Personnel 4
Effect Deal significant DEF-ignoring damage to a single enemy.
Level 1 2 3 4 5
1400% 1800% 2000% 2100% 2200%
Overcharge Effect

Apply Special Attack [Female] status to yourself (1 turn). [Activates first]

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

Assorted Info

ID 75
Cost 16
Gender Female
Growth Semi-Reverse S
Inst. Death Chance 44.00%
Damage Distribution Quick 7,15,23,15,40
Damage Distribution Arts 33,67
Damage Distribution Buster 66,34
Damage Distribution Extra 10,20,30,40
Damage Distribution NP 10,20,30,40

Attack / HP Growth

Stat Ratings

Interlude Quests

Quest Requirements Reward
Interlude 1
Chapter Completion: London

Ascension: 2

Bond: 3

✔ = 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
The Misty Night of London

When equipped to Jack the Ripper,
Increase Critical Damage of all allies by 25% while she's on the field.

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Jack the Ripper, as opposed to her usual depiction, enters Chaldea as a representation of children who were unable to be birthed. With her 5-hit Quick cards, Jack by far is the best star generator in the game, with the ability to consistently produce stars which both her teammates and herself can use. Her NP generation is also very good given her A-Q-Q Brave chain (without crits) can almost fill half her NP gauge. With crits and overkill involved, she can even fill her single target NP in one such chain. With an on-demand Quick buff added in, her kit is one of the best against bosses due to the amount of ST damage she can churn out turn after turn. In addition, Jack performs especially well against female Servants, because her NP deals up to double damage to them. Finally, Jack also has a dodge, a buff removal skill, and a heal on low cooldown, giving her very good utility as well.

As with all Assassins however, due to their low damage modifier, Jack herself can’t deal as much damage as other 5-Star Servants. She’s entirely reliant on crits to deal the damage she needs to. Interestingly enough, despite her reliance on crits, she doesn’t have a skill to increase her critical weight nor damage (though the sheer volume of stars she generates lessens this negative impact.) Overall, Jack is still hands down the best Servant for one’s critical star needs and should definitely be welcomed into Chaldea.


Best Star Generator in Game

Jack has three Quick cards with five hits each, as well as a very high star generation rate enhanced even more with Presence Concealment. A Quick Brave chain from her will produce roughly 40 stars, enough to supply the team with crits. With Overkill bonuses, she can even generate more than 50 stars on a single turn.

Good NP Uptime

Having Quick cards with multiple hits allows Jack to perform A-Q-Q Brave chains to generate insane amounts of NP. Add to that her ability to consistently crit, and Jack can charge her already fast NP to ridiculous levels.

Great Source of ST Damage

With Jack’s ability to churn out NPs easily and consistently, she naturally deal high amounts of ST damage to enemies. In addition to her propensity to crit, she can be a good Servant to use against bosses.

Good Niche Against Females

Jack’s NP can deal an absurd amount of ST damage to female enemies, up to twice as much with an overcharge of 500%. Given Jack’s ability to gain NP very quickly, she can keep on using her NP. Besides the fact that there are a good number of female Rider enemies, she also can arguably be used to deal with other female enemies due to both the bonus damage and the spammability of her NP.

Some Support and Utility

Sporting a targetable Heal on a low cooldown, a dodge, as well as a rarer buff removal skill, Jack trades her lack of critical support skills for more balanced overall support and utility.


Low Basic Attack Damage

Outside of her main niches and her crit damage, when Jack is unable to crit, she deals slightly lower damage than other 5 Star Servants due to the low attack damage modifier of Assassins.

Lack of Critical Support Skills

Even though Jack is mainly focused on crits, she lacks skills to fully make use of her niche. For example, she lacks a skill which can increase critical star weight (though she does make up for this with the sheer amount of stars she generates). She also lacks critical damage increasing buffs which would be amazing given her consistent ability to crit.

Level Up Skill Recommendation

  • Murderer on a Misty Night should be prioritized over all other skills due to its sheer flexibility, due to both the damage potential and the evasion it gives. Given its Quick performance boost, it not only increases the damage of Jack’s NP, but it also increases the amount of stars and NP generated by her Quick cards. It can also be used for its dodge to avoid incoming damage, which is useful for enemy NP turns.

  • Surgery should be leveled next due to the support and survivability it can give by its low cooldown heal.

  • Information Erasure, with its buff removal and critical attack chance down, can be left for last as the situations where it may be especially useful (e.g. challenge quests) are rarer.

Craft Essence Recommendation

  • Imaginary Around/Gandr: Jack will be even more monstrous with her Quick cards with these CEs. The bonus damage, bonus star generation, and bonus NP gain for her 5-hit Quick cards will always be welcome. Not to mention that her NP is also Quick.
  • Golden Sumo/ Holy Night Supper /Fortress of the Sun: Excellent Starting NP Gauge CEs that grant Jack buffs she does not readily have access to.
  • Gem Magecraft: Antumbra/ Knight's Dignity/ Hot Spring Under the Moon: These CEs bolster Jack’s low critical damage. Given that Jack already can generate a plethora of stars, having the ability to enhance the damage off of those critical hits helps her make up for her otherwise low basic attack damage. 
  • Holy Night Sign: A good hybrid between Quick performance and crit damage.
  • Black Grail/Heaven’s Feel: For battles against Female opponents where Jack wants to make use of her bonus damage, these CEs will help Jack deal even more tremendous amounts of damage.

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Other Info

Release Date Christmas Event, London Chapter Release
AKA/Alias/Nicknames Assassin of Black, Jyakk
Country/Place of Origin United Kingdom
Illustrator Ototsugu Konoe
Seiyuu (CV) Sakura Tange
Series Fate/Apocrypha



Valentine's CE


Non-Limited - Available in the general summoning pool.

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