MementoMori

How to Beat Fenny

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MementoMori's Fenny is one of the witches players can encounter in the game. Read on to learn how to make use of the game's witches and mechanics to defeat them in battle.

FennyFenny Icon
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Story and Profile

How to Beat Fenny

How to Beat Fenny Overview

Fenny
PvE Rank PvP Rank
MementoMori - B Icon
MementoMori - A Icon
Base Rarity Soul Type Role
SR (Limited) MementoMori - Azure Icon Azure MementoMori - Sniper Icon Sniper Attacker/Debuffer

Fenny may not be a damage powerhouse, but she has one ability that can make her potentially deadly versus certain witches: Buff Immunity, which she inflicts on enemies with her first skill Jamming Scattershot.

Buff Immunity makes affected units unable to receive buffs, which makes them unable to get themselves to do their full potential damage output. This can be devastating if your team depends on a single attacker receiving many buffs before firing off an attack.

Fenny Strengths and Weaknesses

Strengths Weaknesses
• Debuffer that deprives the enemy of buffs while decreasing their own chance to inflict debuffs.
• Deals damage over time via the Erosion debuff from her second active skill.
• Has buffs like Invisibility and increased SPD, which gives her some survivability and an edge in battle.
  • Optimal for slow team comps
  • • Can be outsped by certain team comps.
    • Low survivability
    • Useful even with one copy, but needs her Unique Weapon at UR rarity for her party to benefit from her 30% HP boost.

    Fenny Skill Analysis

    Memento Mori - Jamming Scattershot Icon
    Jamming Scattershot

    Skill Skill Effect
    Memento Mori - Jamming Scattershot Icon
    Jamming Scattershot
    Level 1 (Unlocks by default)
    Deals 1 physical attack equal to 380% of Fenny's ATK to five random enemies. Also has a 40% chance to decrease all targets' chance to inflict a debuff by 50% and inflict[Buff Immunity]on them for 2 turns. These 2 effects are treated as 1 debuff.
    Level 2 (Unlocks by level 81)
    The number of turns of[Decreased Chance to Inflict a Debuff]and[Buff Immunity]becomes 4.
    Level 3 (Unlocks by level 161)
    The chance to inflict[Decreased Chance to Inflict a Debuff]and[Buff Immunity]becomes 70%.

    Fenny's premier uses is her ability to inflict Buff Immunity on her enemies for two turns. This may sound mundane at first, but this skill can prevent witches reliant on certain buffs from getting them in the first place. For example: Amleth will not be able to get her Immortality buff, which makes her other abilities (such as the ATK boost she gets from having 1 HP) useless since she can be taken out in just one hit.

    Memento Mori - M260 Demon Buster Icon
    M260 Demon Buster

    M260 Demon Buster - MementoMori.jpg
    M260 Demon Buster
    Level 1 (Unlocked by getting Fenny's Unique Weapon)
    Strengthens Jamming Scattershot. The physical attack's damage becomes equal to 480% of her ATK.
    Level 2 (Unlocks at UR rarity)
    At the start of the battle, this skill increases the max HP of the 2 allies with the lowest SPD other than Fenny by 30% (cannot be dispelled).
    Level 3 (Unlocks at LR rarity)
    Strengthens Magic Permeator. The damage from[Erosion]becomes equal to 50% of this skill's total damage.

    If you want a big HP boost for your team, you can bring Fenny along and equip her with the M260 Demon Buster, her unique weapon, which has to be upgraded to UR rarity.

    This gives her two slowest allies (the ones with the lowest SPD) 30% more HP, and if your enemy knows how to speed-tune their units well enough to make use of a slow comp (that's still overall faster than your team), then you'll be at a disadvantage.

    Witches to Beat Fenny

    Fenny Hard Counters

    MementoMori - Primavera IconPrimavera

    Fenny could still be outsped by debuffers like Primavera, who can inflict a Faint debuff on her lasting long enough for the rest of her team to take Fenny out.

    MementoMori - Stella IconStella

    Stella is also potentially another counter for Fenny, as she can outspeed her with the right runes and inflict Silence. This prevents Fenny from casting her Jamming Scattershot skill.

    MementoMori - Fenny IconFenny

    Fenny herself can counter an enemy Fenny, with the only caveat being that your Fenny needs to be faster than the enemy Fenny (largely because of runes).

    Fenny General Counters

    MementoMori - Cordie IconCordie MementoMori - Merlyn IconMerlyn MementoMori - Fia IconFia
    MementoMori - Nina IconNina MementoMori - Mimi IconMimi MementoMori - Ivy IconIvy
    MementoMori - Luke IconLuke MementoMori - Armstrong IconArmstrong MementoMori - Witch Illya IconWitch Illya

    Fenny Sample Counter Teams

    Fenny Counter

    Buffer Attacker Debuffer Buffer Attacker
    MementoMori - Merlyn IconMerlyn MementoMori - Cordie IconCordie MementoMori - Primavera IconPrimavera MementoMori - Mimi IconMimi MementoMori - Nina IconNina

    Primavera is the centerpiece of this team, and you'll need to position her in front of wherever Fenny is so she can outspeed and cast Faint on her. Cordie meanwhile is the main damage dealer, while Merlyn and Mimi support her with buffs. Nina is there to be a secondary attacker in case Fenny somehow still manages to cast her Buff Immunity skill.

    Witches Not To Use Against Fenny

    MementoMori - Amleth IconAmleth

    Fenny can make her unable to get her Immortality buff, making her easy pickings despite her high damage output at 1 HP.

    MementoMori - Belle IconBelle

    Belle is supposed to get a shield that kicks in once her HP goes below 50%. But if she gets Buff Immunity, she'll be unable to get that shield and, like Amleth, become an easy target.

    MementoMori - Florence IconFlorence

    Florence and other characters that rely on getting CRIT buffs to deal more damage will also be inconvenienced at best by Fenny's ability to prevent them from getting buffs.

    Tips for Beating Fenny

    Outspeed Her

    The first thing you'll want to do when dealing with Fenny is out-speeding her. That way, she'll be open to attack way before she pops off with her Jamming Scattershot.

    Get Witches That Can Inflict Silence

    Next, you'll want to have witches that can inflict Silence to prevent Fenny from using her skills in the first place. Stella and Primavera are the primary examples of witches like this.

    Have Witches That Don't Need Buffs to Deal Damage

    If you happen to not have Primavera or Stella, then you'll need to have witches that "work" even without buffs. These include Cordie (who could work because she has Debuff Immunity).

    MementoMori Related Guides

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    List of All Character Builds List of All Character Profiles
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    ## All SR Rarity Character Builds

    Soltina - MementoMoriSoltina Amleth - MementoMoriAmleth Fenrir - MementoMoriFenrir
    Florence - MementoMoriFlorence Moddey - MementoMoriModdey Sabrina - MementoMoriSabrina
    Freesia - MementoMoriFreesia Amour - MementoMoriAmour Rean - MementoMoriRean
    Dian - MementoMoriDian Ivy - MementoMoriIvy Merlyn - MementoMoriMerlyn
    Cordie - MementoMoriCordie Nina - MementoMoriNina Mertillier - MementoMoriMertillier
    Mimi - MementoMoriMimi Tropon - MementoMoriTropon Hathor - MementoMoriHathor
    Olivia - MementoMoriOlivia Primavera - MementoMoriPrimavera Natasha - MementoMoriNatasha
    Lunalynn - MementoMoriLunalynn
    ## All SR (Limited) Rarity Character Builds
    Alexandra - MementoMoriAlexandra Liselotte - MementoMoriLiselotte Matilda - MementoMoriMatilda
    Yuni - MementoMoriYuni Paladea - MementoMoriPaladea Eir - MementoMoriEir
    Morgana - MementoMoriMorgana Apostle Rosalie - MementoMoriApostle Rosalie Asahi - MementoMoriAsahi
    Minasumari - MementoMoriMinasumari Kaguya - MementoMoriKaguya Summer Nina - MementoMoriSummer Nina
    Summer Amleth - MementoMoriSummer Amleth Milla - MementoMoriMilla Aine - MementoMoriAine
    Serruria - MementoMoriSerruria Winter Tropon - MementoMoriWinter Tropon Fenny - MementoMoriFenny
    Gil’uial - MementoMoriGil’uial Sonya - MementoMoriSonya Sivi - MementoMoriSivi
    Stella - MementoMoriStella Summer Cordie - MementoMoriSummer Cordie Belle - MementoMoriBelle
    Priscilla - MementoMoriPriscilla Artie - MementoMoriArtie Chiffon - MementoMoriChiffon
    Luke - MementoMoriLuke Summer Sabrina - MementoMoriSummer Sabrina Fia - MementoMoriFia
    Claudia - MementoMoriClaudia Lea - MementoMoriLea Sophia - MementoMoriSophia
    Carol - MementoMoriCarol Summer Moddey - MementoMoriSummer Moddey Richesse - MementoMoriRichesse
    Veela - MementoMoriVeela Tainted Iris - MementoMoriTainted Iris Winter Amour - MementoMoriWinter Amour
    Elfriede - MementoMoriElfriede Rusalka - MementoMoriRusalka Cerberus - MementoMoriCerberus
    Fortina - MementoMoriFortina Armstrong - MementoMoriArmstrong Ophelia - MementoMoriOphelia
    A.A. - MementoMoriA.A. Valeriede - MementoMoriValeriede Witch Illya - MementoMoriWitch Illya

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