MementoMori

How to Beat Sivi

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

SiviSivi Icon
Best Builds How To Beat
Story and Profile

How to Beat Sivi

How to Beat Sivi Overview

Sivi
PvE Rank PvP Rank
MementoMori - S Icon
MementoMori - S Icon
Base Rarity Soul Type Role
SR (Limited) MementoMori - Azure Icon Azure MementoMori - Warrior Icon Warrior Attacker/Buffer

Sivi is a support that fills a very specific role — as that of a support for very slow and bulky damage dealers like Fia, and Witch Illya. As such, she is a common enemy in lineups that focus on attrition alongside Yuni and Rusalka.

Defeating her and her allies through halfhearted means will prove to be incredibly difficult, as her skills are particularly effective in punishing weak attacks. She is also difficult to control via debuffs, as she can easily dispel all of them from herself when afflicted with more than one

Sivi Strengths and Weaknesses

Strengths Weaknesses
• Powerful Offensive and Defensive Buffs
• Massive Stat Ramp Per Turn
• Extremely Bulky
• Allied Attackers Are Always Slow
• Debuffs From Passives Don't Trigger Cleanse
• Susceptible To Burst Damage On First Turn

Sivi Skill Analysis

Memento Mori - Fortifying Blade Icon
Fortifying Blade

Skill Skill Effect
Memento Mori - Fortifying Blade Icon
Fortifying Blade
Level 1 (Unlocks by default)
Increases the damage Sivi deals by 20% for 4 turns. The increase in damage she deals becomes 36%, 48%, 56%, or 60%, growing higher according to the number of times she has taken damage from attacks this turn (4 times max). Afterwards, Sivi deals 1 physical attack equal to 980% of her ATK to the enemy with the highest ATK, and restores HP equal to 30% of this skill’s total damage to Sivi.
Level 2 (Unlocks by level 71)
The targets of[Increased Damage Dealing]become Sivi and the 2 allies with the lowest SPD.
Level 3 (Unlocks by level 161)
The increase in damage all targets deal becomes 25%. The increase in damage each target deals becomes 45%, 60%, 70%, or 75%, growing higher according to the number of times they have taken damage from attacks this turn (4 times max).

Sivi's Fortifying Blade is an extremely powerful buff that doubles as a semi-competent nuke and self-healing skill. It allows her teammates to retaliate with staggering damage, depending on how often they are hit per turn. This synergizes extremely well with slow, bulky teammates such as Fia and Witch Illya.

Fortunately, this skill's buff can be dispelled.

Memento Mori - Life-Stealing Strike Icon
Life-Stealing Strike

Skill Skill Effect
Memento Mori - Life-Stealing Strike Icon
Life-Stealing Strike
Level 1 (Unlocks by level 11)
Deals 1 physical attack equal to 310% of Sivi’s ATK to 3 random enemies, and restores HP equal to 15% of this skill’s total damage to the ally with the lowest SPD.
Level 2 (Unlocks by level 21)
Additionally dispels all debuffs from the ally with the lowest SPD.
Level 3 (Unlocks by level 101)
The targets whose HP are restored and whose debuffs are dispelled become the 3 allies with the lowest SPD.
Level 4 (Unlocks by level 181)
The physical attack’s damage becomes equal to 530% of her ATK.

Sivi's Life-Stealing Strike allows her to support her slow teammates (who are usually the attackers) with heals. Considering that she often pairs herself with slow and bulky attackers, the effects of this skill usually go to them. Thankfully, the healing output of this skill can be somewhat mitigated by Multi-Barriers and other damage-cutting skills.

Witches to Beat Sivi

Sivi Hard Counters

MementoMori - Florence IconFlorence MementoMori - Cordie IconCordie

Due to Sivi's low SPD, she and her team are typically vulnerable to powerful, first-turn nukes from the likes of Florence and Cordie, as they tend to unload all of their skills before Sivi can ready her allies with Fortifying Blade.

Do note, however, that if Sivi's team survives the initial assault, then they will be in a position to retaliate hard afterward.

MementoMori - Nina IconNina

Regardless of how powerful Fortifying Blade is, since it can be dispelled, then Nina can counter it. It's difficult to even prevent Nina from stealing her buff because Sivi is slightly faster than her. However, this is only true if Nina is built to have minimum speed.

MementoMori - Gil’uial IconGil’uial MementoMori - Merlyn IconMerlyn

Other witches that specialize in dispelling their target's buffs also work well against Sivi's troublesome skills.

Sivi General Counters

MementoMori - Summer Sabrina IconSummer Sabrina MementoMori - Ivy IconIvy MementoMori - Moddey IconModdey
MementoMori - Lea IconLea MementoMori - Paladea IconPaladea MementoMori - Armstrong IconArmstrong
MementoMori - Tainted Iris IconTainted Iris MementoMori - Amleth IconAmleth MementoMori - Rusalka IconRusalka

Sivi Sample Counter Teams

Florence Burst Team

Attacker / Debuffer Buffer Attacker Buffer Tanker / Debuffer
MementoMori - Cordie IconCordie MementoMori - Merlyn IconMerlyn MementoMori - Florence IconFlorence MementoMori - Olivia IconOlivia MementoMori - Nina IconNina

The standard Florence team for PvE works rather well against Sivi teams. However, this relies a lot on Florence and Cordie's investment levels, as well as the speed tuning between them, Merlyn, and Olivia. Ideally, Merlyn and Olivia should move first before Cordie and then Florence. However, due to Cordie's staggering base speed, that is a difficult ask.

Attacker Beatdown

Tanker / Debuffer Attacker / Tanker Buffer Attacker Debuffer
MementoMori - Nina IconNina MementoMori - Tainted Iris IconTainted Iris MementoMori - Apostle Rosalie IconApostle Rosalie MementoMori - Lea IconLea MementoMori - Primavera IconPrimavera

As a support, Sivi herself doesn't deal that much damage and can be safely ignored to an extent. Instead, players can focus on defeating her allies using skills that prioritize targeting high-ATK targets. Tainted Iris and Lea are especially effective at this, considering their first skills nuke attackers specifically right from the start.

Witches Not To Use Against Sivi

MementoMori - Witch Illya IconWitch Illya

Witches that specialize in sustained damage, particularly by the mid-game, will find it hard to deal with Sivi and her team's Fortifying Blade-boosted retaliation damage at the end of every turn.

MementoMori - A.A. IconA.A. MementoMori - Belle IconBelle MementoMori - Eir IconEir

Exchanging basic attacks is a terrible idea against Sivi and her allies, particularly when they're under the effects of Fortifying Blade. Doing so will only make their own basic attacks hit harder in exchange for dealing minuscule amounts of it to them thanks to Sivi's defensive buffs.

MementoMori - Primavera IconPrimavera MementoMori - Soltina IconSoltina MementoMori - Lunalynn IconLunalynn

While it is entirely viable to disable Sivi's teammates from moving via action-hindering debuffs, do not expect the same to work on Sivi herself. To do so requires inflicting her with one right after her Magic Sword's Ward triggers, which is a very volatile tactic considering she might resist any one of the buffs that head her way.

Tips for Beating Sivi

End The Game Early

Due to the nature of the teams Sivi is usually a part of, letting the match drag onto the end-game is just playing to their strengths and should be avoided. This is particularly true if she is partnered with Fia, who is perhaps the best attrition-based witch in the game.

Always Dispel Fortifying Blade

Sivi's gimmick revolves around her Fortifying Blade buff. Fortunately, it can be dispelled, so do so as often as you can.

Buffs Are Your Best Friends

Because Sivi's Fortifying Blade ramps up its effects depending on the number of times her allies are hit, going for a few, very powerful skills boosted by other witches' buffs will work better than letting entire teams take potshots at Sivi's teammates.

MementoMori Related Guides

Garmr - MementoMori

List of All Character Builds List of All Character Profiles
List of All How to Beat Articles

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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

Eureka - MementoMoriEureka Liselotte - MementoMoriLiselotte Matilda - MementoMoriMatilda
Yuni - MementoMoriYuni Paladea - MementoMoriPaladea Eir - MementoMoriEir
Morgana - MementoMoriMorgana Apostle Rosalie - MementoMoriApostle Rosalie Asahi - MementoMoriAsahi
Alexandra - MementoMoriAlexandra Minasumari - MementoMoriMinasumari Kaguya - MementoMoriKaguya
Summer Nina - MementoMoriSummer Nina Summer Amleth - MementoMoriSummer Amleth Milla - MementoMoriMilla
Aine - MementoMoriAine Serruria - MementoMoriSerruria Tama - MementoMoriTama
Meria - MementoMoriMeria Festive Natasha - MementoMoriFestive Natasha Sonya - MementoMoriSonya
Gil’uial - MementoMoriGil’uial Winter Tropon - MementoMoriWinter Tropon Fenny - MementoMoriFenny
Stella - MementoMoriStella Sivi - MementoMoriSivi Belle - MementoMoriBelle
Summer Cordie - MementoMoriSummer Cordie Priscilla - MementoMoriPriscilla Artie - MementoMoriArtie
Chiffon - MementoMoriChiffon Luke - MementoMoriLuke Summer Sabrina - MementoMoriSummer Sabrina
Fia - MementoMoriFia Sophia - MementoMoriSophia Lea - MementoMoriLea
Claudia - MementoMoriClaudia Tainted Iris - MementoMoriTainted Iris Summer Moddey - MementoMoriSummer Moddey
Richesse - MementoMoriRichesse Carol - MementoMoriCarol Winter Amour - MementoMoriWinter Amour
Veela - MementoMoriVeela Fortina - MementoMoriFortina Cerberus - MementoMoriCerberus
Elfriede - MementoMoriElfriede Rusalka - MementoMoriRusalka Armstrong - MementoMoriArmstrong
Witch Illya - MementoMoriWitch Illya Ophelia - MementoMoriOphelia A.A. - MementoMoriA.A.
Valeriede - MementoMoriValeriede

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