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MementoMori

Should You Pull for Eir

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★ Take part in our MementoMori Wiki Survey!
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★ Mihri: Builds | Profile || Liebe: Builds | Profile
★ Character Tier Lists: PvE | PvP | Support | Healer
★ Best Team Comps: PvE | PvP
★ Top Builds: Cordie | Florence | Merlyn | Fia | Lumica

MementoMori's Eir is an SR (Limited) character available in the Prayer of Fleeting and Invocation of Chance. Read on to learn more about her main uses and if you should pull her.

Should You Pull for Eir?

Yes, Pull for Her

Eir Character Preview

Eir is a strong debuffer. You can position anywhere in your team to deal with main attackers or tanks. She can decrease the enemy's chance to resist a critical hit and inflict them with [Sleep], preventing them from being able to attack, counted as one debuff. Aside from that, she had [Bleed], which deals with continuous damage to the target. She also has a [Shield] equal to 500% of her ATK if no enemies are afflicted with her action-hindering buffs at the start of each turn.

She is an excellent addition to any team that needs at least one debuffer. Since she casts her debuff on the enemy directly in front of her, she also gives you control over which enemy she will provide her debuffs to.

Eir Builds: Best Runes and Team Comps

Get Multiple Copies

While her debuffs and protective options are already available with just one copy, you are better off getting multiple copies of her, at least for SSR, so that her Hunter's Integrity skill gives her a [Shield]. Ramp her up to LR to get the full potential of her abilities and Unique Weapon, which increases the targets and number of turns for the [Bleed] debuff and improves attack damage.

Pull if You Need A Debuffer

If you don't have access to other debuffer witches, Eir is a good choice to have as your debuffer witch. Her debuffs are plentiful and come often, so she will give good support to your other units while being able to hold her ground with her Shields. She can be good to use in PvP content.

Pull if You Like Her Story

Eir Art

Eir's life is shattered when the Inquisition attacks, killing her grandfather and capturing her sister. Eir becomes a witch hunter to save her sister, killing six innocent witches. However, she later learns her sister was likely dead all along, and the letters she received were lies. Devastated, Eir kills the Inquisitor and spares a young witch, vowing to protect her and dismantle the Inquisition. Haunted by her actions, Eir seeks redemption while protecting the orphaned girl.

The young witch was later revealed as Minasumari.

Eir Profile and Memories

When Not To Pull for Eir

If You Already Have Many Debuffers

If you already have many debuffer witches, like Lunalynn, Soltina, or other witches that can inflict Sleep or Faint and other action-deterring debuffs, it would be best to skip Eir.

If You're A Beginner

Beginners should skip Eir and focus on getting units that can help them push the Main Quest progress forward.

Will You Pull for Eir?

Yes 10
Votes
No 3
Votes

Where to Pull for Eir

Prayer of Fleeting Gacha

Eir Gacha
Start Date April 15, 2025
Duration 00:30 April 15, 2025 -
22:29 April 29, 2025 (UTC-7)
08:30 April 15, 2025 -
06:29 April 30, 2025 (UTC+1)
Event Details Eir returns in the Prayer of Fleeting!

Eir is guaranteed to appear on the 100th pull. If you want to secure Eir, prepare 30,000 Diamonds for 100 gacha pulls.

How to Efficiently Collect Diamonds

Invocation of Chance

MementoMori - Invocation of Chance
Invocation of Chance
Name Invocation of Chance
Duration -
Status Always Active
Main Feature Character you set and Items will appear!
How to Unlock Must clear Main Quest 11-28 or VIP 12

Eir will be available in the Invocation of Chance as a Character of Chance from April 15, 2025, until April 29, 2025.

What is the Invocation of Chance

Premier Gifts for Eir

Witch's Gift

Witch Gift

Eir has her own limited Witch's Gift available from April 15, 2025 until April 29, 2025. Witch's Gifts are gifts players can obtain when they reach a particular rarity for Eir.

Each set of rewards players have unlocked had corresponding purchaseable items. Rewards include buffs, Witch's Letter, Ticket of Souls, and Rune Tickets.

Recommended Premium Packs

Eir Reruns

Eir Rerun
The current banner is Eir's second rerun to the Prayer of Fleeting and Invocation of Chance.

Rerun Duration
2 April 15, 2025 - April 29, 2025
1 November 7, 2024 - November 22, 2024

Eir Basic Info

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

MementoMori Related Guides

Gacha Partial Banner - MementoMori

List of All Gacha Banners

Current Available Witches

Current and Upcoming Prayer of the Fleeting Banner Witches
Witch Info and Duration
MementoMori - Winter Lunalynn IconWinter Lunalynn
(Rerun!)

Banner Duration:
December 3 - December 17
MementoMori - Winter Soltina IconWinter Soltina
(Rerun!)

Banner Duration:
December 3 - December 17
MementoMori - Sage Merlyn IconSage Merlyn
(New Character!)

Banner Duration:
November 27 - December 24
MementoMori - Uniform A.A. IconUniform A.A.
(Rerun!)

Banner Duration:
November 19 - December 3
MementoMori - Winter Amour IconWinter Amour
(Rerun!)

Banner Duration:
November 27 - December 24
MementoMori - Winter Tropon IconWinter Tropon
(Rerun!)

Banner Duration:
November 27 - December 24

Current Character Gacha Available

Current Invocation of Star's Guidance Witches
(Until December 17, 2025, 22:29 UTC-7)
MementoMori - Kaguya IconKaguya MementoMori - Milla IconMilla MementoMori - Minasumari IconMinasumari

Invocation of The Stars' Guidance Banner Guide

All Invocation Banners

List of All Permanent Invocation (Gacha) Banners
Recommended GachaRecommended Gacha Banners
Prayer of The Fleeting Prayer of The Fleeting MementoMori - InvokePrayer of The Cursed
MementoMori - InvokePrayer of Friendship MementoMori - InvokePrayer of Soul
MementoMori - InvokePrayer of Beginnings MementoMori - InvokeInvocation of Chance
Stars Guidance Banner IconInvocation of The Stars' Guidance Chosen Prayer of The Fleeting

All Invocation Simulators

List of Invocation (Gacha) Simulators
Prayer of the Cursed Banner - MementoMoriPrayer of the Cursed Simulator

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