Rusalka is a Sorcerer-type Radiance Soul SR (Limited) Rarity character in MementoMori. Read on for a guide to Rusalka, her best build, the best runes and team comps, her skills and stats, exclusive weapons, arcana, how to get her, as well as Rusalka's tier list ranking.
All Rusalka Guides |
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| Builds | Profile and Story | How to Beat |
List of Contents
| Rusalka | |||
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| Rarity | Soul | Type | Role |
| SR (Limited) Rarity |
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Attacker/Debuffer |
| PvE Rating | PvP Rating |
|---|---|
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| Lv. 240 Max Stats and Potential | |
|---|---|
| HP | 5,139,160 |
| STR | 591,356 |
| MAG | 661,755 |
| DEX | 605,435 |
| STA | 513,916 |
| DEF | 10 |
| DEF Break | 0 |
| SPD | 2,972 |
| PM. DEF Break | 0 |
| P. DEF | 591,356 |
| M. DEF | 661,755 |
| ACC | 295,678 |
| EVD | 302,717 |
| CRIT | 302,717 |
| CRIT RES | 256,958 |
| CRT DMG Boost | 0 |
| P. CRIT DMG Cut | 0 |
| M. CRIT DMG Cut | 0 |
| Debuff ACC | 330,877 |
| Debuff RES | 0 |
| Counter | 0 |
| HP Drain | 0 |
| Recommended Runes | | | | |
|---|---|---|---|
| Recommended Runes | | | | |
|---|---|---|---|
Equip Rusalka with MAG runes to boost her main stat, which increases both her damage and the chance her debuffs land. She can also get SPD runes so she can act earlier and apply debuffs before enemies attack. Once you have her weapon, add a CRIT rune for the extra 10% CRIT, turning her from a utility mage into a burst mage when enemies are debuffed.
If she will be used as a DPS, you can replace the ATK rune with PM DEF. Break rune to offset damage to the enemy.
For defense, equip HP and STA runes to help her survive longer and make the most of her revive passive.
| Rusalka Best Team Comps |
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| Support | DPS | Support | Debuffer | Debuffer |
|---|---|---|---|---|
Merlyn
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Cordie
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Primavera
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Nina
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Rusalka
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Rusalka is the main debuff controller, using Kikimora’s Downpour to lower enemy damage and set up debuffs for the team. Cordie is the main damage dealer and works best when enemies have weaker defenses. Nina targets enemies with buffs or debuffs to disrupt them further. Primavera applies Fainted and Buff Immunity debuffs, helping Rusalka control the fight. Together, this team focuses on strong debuffing and stopping enemy attacks.
For PvP, Rusalka serves as a debuff controller, opening with an AoE debuff to weaken enemies. Cordie follows up with targeted attacks, while Nina focuses on disrupting the enemy. In PvE, Rusalka acts as a clearer, weakening enemies and providing allies with shields after reviving, and having a full [Multi-Barrier] herself. Cordie handles initial damage, with Primavera and Merlyn keeping the team consistently buffed and sustained.
| Support | Support | DPS/Debuffer | Tank | DPS |
|---|---|---|---|---|
Meria
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Lumica
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Rusalka
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Apostle Rosalie
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Elfriede
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This team uses lots of shields and has two main damage dealers. Shielders protect the team with shields and barriers instead of healing. Rusalka, Elfriede, and Meria are the main DPS, keeping up steady attacks.
Meria gives the team shields and ATK buffs, helping them survive early attacks and deal more damage. Apostle Rosalie protects allies by taking hits and giving shields, especially when she has her stacks and weapon. Lumica boosts the two strongest attackers with the same soul type. Elfriede adds debuffs and keeps the pressure up. Rusalka lowers enemy damage, attacks debuffed enemies, and can revive once per fight to stay in the battle longer.
| Rusalka Analysis and How to Play |
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Rusalka’s Kikimora’s Downpour skill lowers enemy damage for several turns. With her Cendrillion weapon, the debuff lasts longer and is stronger. The debuff only works if the enemy’s MAG is lower than Rusalka’s. In PvP, this skill can make enemy nukers much less dangerous.
Her Maiden of Sacrifice passive lets her revive once per fight, reset her cooldowns, and later give herself and her allies a barrier. In PvP, this can turn the match around. If enemies think they’ve defeated her, she returns stronger, shields the team, and acts right away.
Her Witch of Torrential Sorrow skill gives her Crit RES when her HP is high and DEF Break when her HP is low. In long boss fights, she starts by resisting critical hits to survive, then breaks enemy defenses to help her team deal more damage.
| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Kikimora’s Downpour |
Active | 4 | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by default Rusalka summons a spirit from the bottom of the sea, sending down a cursed rain that putrefies anything it touches. Deals 1 magical attack equal to 320% of Rusalka’s ATK to 5 random enemies, and has a 50% chance of decreasing the damage all targets deal by 10% for 1 turn. If a target’s MAG is lower than Rusalka’s MAG, the chance to inflict [Decreased Damage Dealing]on that target becomes 100%. |
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| Level 2 | Unlocks by level 81 The magical attack’s damage becomes equal to 480% of her ATK. |
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| Level 3 | Unlocks by level 161 The decrease in damage a target deals becomes 15%. |
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| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Vodnik’s Mire Dragon |
Active | 4 | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by level 11 Rusalka summons a savage water spirit from the dark depths of the sea, and sends them to attack. Deals 3 magical attacks equal to 400% of Rusalka’s ATK to enemies at random. If a target is afflicted with a debuff, the magical attack’s damage to that target is multiplied by 1.5. |
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| Level 2 | Unlocks by level 21 The number of magical attacks becomes 4. |
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| Level 3 | Unlocks by level 101 The magical attacks’ damage becomes equal to 470% of her ATK. |
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| Level 4 | Unlocks by level 181 If a target is afflicted with a debuff, the magical attack’s damage to that target is multiplied by 2. |
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| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Maiden of Sacrifice |
Passive | - | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by level 41 Even after being abandoned, betrayed, and succumbing to despair, this maiden has always believed her beloved will come for her... Her frail wish gives her yet another ray of hope... When Rusalka is defeated, this skill revives her, restores HP equal to 10% of her max HP to her, and makes her skill cooldown time 0. This skill activates only 1 time per battle. |
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| Level 2 | Unlocks by level 121 Additionally grants 1 layer of[Multi-Barrier]to Rusalka. If she takes damage, 1 barrier layer is depleted to nullify the damage. |
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| Level 3 | Unlocks by level 201 The number of layers of[Multi-Barrier]becomes 5. Additionally increases her ATK by 70% and SPD by 30%. Additionally grants 1 layer of[Multi-Barrier]to all allies other than Rusalka. If a target takes damage, 1 barrier layer is depleted to nullify the damage. |
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| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Witch of Torrential Sorrow |
Passive | - | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by level 61 Her tears of despair turned into a rain of sorrow that fell endlessly for 100 years. At the start of the battle or when Rusalka is attacked, if her remaining HP percentage is below 30%, this skill increases her PM. DEF Break by 30% for 3 turns. The next time Rusalka is attacked, this buff is dispelled, and the decision to increase her PM. DEF Break based on her remaining HP percentage will be made again. |
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| Level 2 | Unlocks by level 141 Additionally, at the start of the battle or when Rusalka is attacked, if her remaining HP percentage is 70% or higher, this skill increases her chance to resist a critical hit by 30% for 3 turns. The next time Rusalka is attacked, this buff is dispelled, and the decision to increase her chance to resist a critical hit based on her remaining HP percentage will be made again. |
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| Level 3 | Unlocks by level 221 At the start of the battle or when Rusalka is attacked, the condition to grant her[Increased PM. DEF Break]becomes having a remaining HP percentage of below 50%, and the condition to grant her[Increased Chance to Resist a Critical Hit]becomes having a remaining HP percentage of 50% or higher. The increases in her PM. DEF Break and chance to resist a critical hit each become 50%. |
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| Cendrillon | |||
|---|---|---|---|
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| Base Effect | |||
| ATK | 185,740 | ||
| Bonus Effect | |||
| STR | 58,173 | MAG | 58,173 |
| DEX | 58,173 | STA | 58,173 |
| Gear Set Effect (Metatron Set) |
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| 2 Pieces | DEF: 7,000 | ||
| 4 Pieces | STA: 30.0% | ||
| 6 Pieces | ATK: 20.0% | ||
| Unique Passive Effect | |||
| ・ATK 185 ・CRIT 10% ・DEF Break 7000 |
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| Level 1 | Unlocks by getting Rusalka's Unique Weapon Strengthens Kikimora’s Downpour. The number of turns of [Decreased Damage Dealing]becomes 2. |
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| Level 2 | Unlocks at UR rarity Strengthens Kikimora’s Downpour. The magical attack’s damage becomes equal to 580% of her ATK. |
| Level 3 | Unlocks at LR rarity At the start of the battle, increases her SPD by 30% for 1 turn. |
| All Aquarius's Comet Arcana Characters | |||
|---|---|---|---|
Rusalka
|
Primavera
|
- | - |
| Lv | Unlocked Effects | Arcana Group Max Awaken | Enhanced Targets | Stats Affected |
|---|---|---|---|---|
| 1 | Unlock SR | - | Arcana Group | ・PM. Def Break: 200 |
| 2 | Unlock UR | - | Arcana Group | ・PM. Def Break: 500 |
| 3 | Unlock LR | - | All Characters | ・PM. Def Break: 500 |
| 4 | Unlock LR+5 | 1 | All Characters | ・PM. Def Break: 500 |
| 5 | Unlock LR+6 | 1 | All Characters | ・PM. Def Break: 505 |
| 6 | Unlock LR+7 | 1 | All Characters | ・PM. Def Break: 510 |
| 7 | Unlock LR+8 | 1 | All Characters | ・PM. Def Break: 515 |
| 8 | Unlock LR+9 | 1 | All Characters | ・PM. Def Break: 520 |
| 9 | Unlock LR+10 | 1 | All Characters | ・PM. Def Break: 525 |
| This character is currently not available in any Invocation Banner. |

List of All Characters and Builds
| Character Builds by Type | ||
|---|---|---|
| Warrior Type | Sniper Type | |
| Sorcerer Type | - | |
| Character Builds by Soul | ||
|---|---|---|
| Azure Characters | Crimson Characters | |
| Amber Characters | Emerald Characters | |
| Radiance Characters | Chaos Characters | |
| Character Builds by Rarity | ||
|---|---|---|
| SR (Limited) Characters | SR Characters | |
| R Characters | N Characters | |
| Other Character Guides | |
|---|---|
| All Character Profiles | All How to Beat Guides |
| List of Voice Actors | - |
Rusalka Builds: Best Runes and Team Comps

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