Merlyn is a Sorcerer-type Emerald Soul SR Rarity character in MementoMori. Read on for a guide to Merlyn, her best build, the best runes and team comps, her skills and stats, exclusive weapons, arcana, how to get her, as well as Merlyn tier list ranking.
All Merlyn Guides |
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| Builds | Profile and Story | How to Beat |
List of Contents
| Merlyn | |||
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| Rarity | Soul | Type | Role |
| SR Rarity |
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Buffer |
| PvE Rating | PvP Rating |
|---|---|
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| Lv. 240 Max Stats and Potential | |
|---|---|
| HP | 6,501,791 |
| STR | 553,344 |
| MAG | 615,595 |
| DEX | 553,344 |
| STA | 650,179 |
| DEF | 10 |
| DEF Break | 0 |
| SPD | 2,888 |
| PM. DEF Break | 0 |
| P. DEF | 553,344 |
| M. DEF | 615,599 |
| ACC | 276,672 |
| EVD | 276,673 |
| CRIT | 276,672 |
| CRIT RES | 325,089 |
| CRT DMG Boost | 0 |
| P. CRIT DMG Cut | 0 |
| M. CRIT DMG Cut | 0 |
| Debuff ACC | 307,797 |
| Debuff RES | 0 |
| Counter | 0 |
| HP Drain | 0 |
| Recommended Runes | | | | |
|---|---|---|---|
| Recommended Runes | | | | |
|---|---|---|---|
Prioritize giving Merlyn SPD runes, as this will enable her to grant her Like Master Would Do ATK buff before her carry attacks since the carry won't be able to benefit from this if they strike first.
The other three recommended offensive runes are MAG, ATK, and PM. DEF Break, as these improve her damage output. However, as a support, she'll be fine with just SPD runes while you can prioritize giving higher priority units the stronger offensive runes.
Meanwhile, you can help Merlyn last longer by boosting her EVD, CRIT RES, Debuff RES, and HP with defensive runes.
| Merlyn Best Team Comps |
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|
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| Buffer | Attacker | Buffer | Buffer | Debuffer |
|---|---|---|---|---|
Merlyn
|
Florence
or Cordie
|
Primavera
|
Mimi
|
Soltina
|
When starting out, Merlyn is the most popular unit to get in MementoMori next to Florence and Cordie. It's because she's the best single-target support in the game so far, capable of synergizing with most DPS units while dispelling their debuffs and healing them at the same time.
At the beginning, you will have to put her on either the first or fifth/last rows of the party lineup to make sure she gives her Apprentice Wanted! CRIT buff to your team's main DPS. Putting her anywhere else puts too much RNG on who she buffs even if they're next to her.
| DPS | Support | DPS | Support | Support |
|---|---|---|---|---|
| Preferred DPS |
Merlyn
|
Preferred DPS | Preferred Support | Preferred Support |
Once Merlyn hits Level 201, she will give her all-important CRIT buff to both allies next to her. This means you can put her in any team slot, flanked by two DPSs (Florence and Cordie are popular) or a DPS and a CRIT-dependent support (like Lunalynn).
This is a viable strategy both in PvE and even PvP, though you might remove her later on to make space for more powerful support units like dedicated debuff dispellers or buffers (or another DPS with self-buffs). As long as the unit needs CRIT in some way to deal more damage/inflict a debuff, putting them up next to Merlyn is a good move.
| Merlyn Analysis and How to Play |
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Merlyn is, perhaps, one of the best support witches in the game because of her two skills: 'Apprentice Wanted!' and 'Like Master Would Do.'
Apprentice Wanted increases the CRIT chance of a witch beside her, so putting Merlyn at the top of your lineup and putting Florence below her will ensure that Florence gets a 20% CRIT chance buff, which then feeds into Florence's Scarlet Shimmer skill and increases the number of attacks she does.
Meanwhile, Like Master Would Do would make sure that the attacker Merlyn is supporting will not get debuffed and keep dealing high amounts of damage.
On top of her buffs, Merlyn is also a decent healer who can keep her allies standing for at least a turn or two. The value of this skill goes down over time, however, as you face more and more enemies that can wipe your entire party in one turn. 'Vine Stream' can still be useful, however, since it also dispels enemy buffs.
| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Like Master Would Do |
Active | 4 | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by default Merlyn remembers the lessons her master taught her and saves her friends—just like her master did for her long ago. If the ally with the highest ATK is afflicted with a debuff, this skill dispels 1 debuff from them. |
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| Level 2 | Unlocks by level 81 Additionally, if the target is not afflicted with a debuff, increases their ATK by 30% for 2 turns. |
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| Level 3 | Unlocks by level 161 The amount the target’s ATK increases by becomes 40%. |
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| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Vine Stream |
Active | 4 | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by level 11 Merlyn unleashes a stream of ivy at the enemy and sweeps them away. Anyone entangled in its vines has their power drained away. Dispels 1 buff each from the 2 enemies with the highest remaining HP percentages, and deals 1 magical attack to equal to 320% of Merlyn’s ATK to all targets. |
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| Level 2 | Unlocks by level 21 Additionally restores HP equal to 15% of this skill’s total damage to the ally with the lowest remaining HP percentage. |
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| Level 3 | Unlocks by level 101 The magical attack’s damage becomes equal to 380% of her ATK. |
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| Level 4 | Unlocks by level 181 The targets of the magical attack become the 3 enemies with the highest remaining HP percentages. |
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| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Apprentice Wanted! |
Passive | - | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by level 41 Merlyn asks, “W-Won’t you become...my apprentice?” At the start of each turn, if 3 or more allies are alive, this skill increases the chance to deal a critical hit of both Merlyn and 1 adjacent ally by 20% (cannot be dispelled). If the number of allies who are alive is 2 or less, this skill instead increases the DEF of both Merlyn and 1 adjacent ally by 20% (cannot be dispelled). |
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| Level 2 | Unlocks by level 121 The amounts all targets’ DEF and chance to deal a critical hit increase by each become 40%. |
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| Level 3 | Unlocks by level 201 The targets of this skill become Merlyn and 2 adjacent allies. |
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| Skill | Type | Cooldown | |||
|---|---|---|---|---|---|
Master and Apprentice |
Passive | - | |||
| Skill Effects and Level Unlock | |||||
| Level 1 | Unlocks by level 61 A master guides their apprentice, and protects them. At the start each turn or when Merlyn is attacked, if her remaining HP percentage is below 50%, this skill grants[Regeneration]to both Merlyn and 1 adjacent ally (cannot be dispelled). Each turn, at the start of the action phase, [Regeneration] restores HP equal to 3% of a target’s max HP to them. |
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| Level 2 | Unlocks by level 141 The amount[Regeneration]restores a target’s HP by becomes equal to 5% of their max HP. |
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| Level 3 | Unlocks by level 221 The targets of this skill become Merlyn and 2 adjacent allies. |
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| Staff of Sylvan Harvest | |||
|---|---|---|---|
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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 18% ・ACC 10% ・DEF 5% |
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| Level 1 | Unlocks by getting Merlyn's Unique Weapon Strengthens Like Master Would Do. Additionally, if the target’s remaining HP percentage is below 50%, restores HP equal to 350% of Merlyn’s ATK to them. If the target’s remaining HP percentage 50% or higher, increases their critical hit damage by 20% for 2 turns. |
|---|---|
| Level 2 | Unlocks at UR rarity Strengthens Like Master Would Do. The targets of this skill become the 2 allies with the highest ATK, and the number of debuffs that are dispelled become 2. |
| Level 3 | Unlocks at LR rarity Strengthens Like Master Would Do. The amount all targets’ critical hit damage increases by becomes 40%. |
| All Ursa's Insight Arcana Characters | |||
|---|---|---|---|
Merlyn
|
Cordie
|
Mertillier
|
- |
| Lv | Unlocked Effects | Arcana Group Max Awaken | Enhanced Targets | Stats Affected |
|---|---|---|---|---|
| 1 | Unlock SR | - | Arcana Group |
・Debuff RES: 150
・Debuff ACC: - |
| 2 | Unlock UR | - | Arcana Group |
・Debuff RES: 1500
・Debuff ACC: 1.00% |
| 3 | Unlock LR | - | All Characters |
・Debuff RES: 1500
・Debuff ACC: 1.00% |
| 4 | Unlock LR+5 | 1 | All Characters |
・Debuff RES: 1500
・Debuff ACC: 1.00% |
| 5 | Unlock LR+6 | 1 | All Characters |
・Debuff RES: 2000
・Debuff ACC: 1.50% |
| 6 | Unlock LR+7 | 1 | All Characters |
・Debuff RES: 2000
・Debuff ACC: 2.00% |
| 7 | Unlock LR+8 | 1 | All Characters |
・Debuff RES: 3000
・Debuff ACC: 2.50% |
| 8 | Unlock LR+9 | 1 | All Characters |
・Debuff RES: 3500
・Debuff ACC: 3.00% |
| 9 | Unlock LR+10 | 1 | All Characters |
・Debuff RES: 4000
・Debuff ACC: 3.50% |
| All Mnemosyne's Contract Arcana Characters | |||
|---|---|---|---|
Carol
|
Freesia
|
Merlyn
|
- |
| Lv | Unlocked Effects | Arcana Group Max Awaken | Enhanced Targets | Stats Affected |
|---|---|---|---|---|
| 1 | Unlock SR | - | Arcana Group |
・M. CRIT DMG Cut: 5.00%
・HP: - |
| 2 | Unlock UR | - | Arcana Group |
・M. CRIT DMG Cut: 10.00%
・HP: 5.00% |
| 3 | Unlock LR | - | All Characters |
・M. CRIT DMG Cut: 10.00%
・HP: 5.00% |
| 4 | Unlock LR+5 | 1 | All Characters |
・M. CRIT DMG Cut: 10.00%
・HP: 5.00% |
| 5 | Unlock LR+6 | 1 | All Characters |
・M. CRIT DMG Cut: 11.00%
・HP: 5.10% |
| 6 | Unlock LR+7 | 1 | All Characters |
・M. CRIT DMG Cut: 12.00%
・HP: 5.20% |
| 7 | Unlock LR+8 | 1 | All Characters |
・M. CRIT DMG Cut: 13.00%
・HP: 5.30% |
| 8 | Unlock LR+9 | 1 | All Characters |
・M. CRIT DMG Cut: 14.00%
・HP: 5.40% |
| 9 | Unlock LR+10 | 1 | All Characters |
・M. CRIT DMG Cut: 15.00%
・HP: 5.50% |
| All Telescopium's Gleam Arcana Characters | |||
|---|---|---|---|
Stella
|
Merlyn
|
Lunalynn
|
- |
| Lv | Unlocked Effects | Arcana Group Max Awaken | Enhanced Targets | Stats Affected |
|---|---|---|---|---|
| 1 | Unlock SR | - | Arcana Group |
・HP: 2.00%
・P.CRIT DMG Cut: - |
| 2 | Unlock UR | - | Arcana Group |
・HP: 5.00%
・P.CRIT DMG Cut: 10.00% |
| 3 | Unlock LR | - | All Characters |
・HP: 5.00%
・P.CRIT DMG Cut: 10.00% |
| 4 | Unlock LR+5 | 1 | All Characters |
・HP: 5.00%
・P.CRIT DMG Cut: 10.00% |
| 5 | Unlock LR+6 | 1 | All Characters |
・HP: 5.50%
・P.CRIT DMG Cut: 11.00% |
| 6 | Unlock LR+7 | 1 | All Characters |
・HP: 6.00%
・P.CRIT DMG Cut: 12.00% |
| 7 | Unlock LR+8 | 1 | All Characters |
・HP: 6.50%
・P.CRIT DMG Cut: 13.00% |
| 8 | Unlock LR+9 | 1 | All Characters |
・HP: 7.00%
・P.CRIT DMG Cut: 14.00% |
| 9 | Unlock LR+10 | 1 | All Characters |
・HP: 7.50%
・P.CRIT DMG Cut: 15.00% |
| All Microscopium's Study Arcana Characters | |||
|---|---|---|---|
Meria
|
Merlyn
|
- | - |
| Lv | Unlocked Effects | Arcana Group Max Awaken | Enhanced Targets | Stats Affected |
|---|---|---|---|---|
| 1 | Unlock SR | - | Arcana Group |
・STR: -
・HP Drain: 2.50% |
| 2 | Unlock UR | - | Arcana Group |
・STR: Chara Lvl x 40
・HP Drain: 5.00% |
| 3 | Unlock LR | - | All Characters |
・STR: Chara Lvl x 40
・HP Drain: 5.00% |
| 4 | Unlock LR+5 | 1 | All Characters |
・STR: Chara Lvl x 40
・HP Drain: 5.00% |
| 5 | Unlock LR+6 | 1 | All Characters |
・STR: Chara Lvl x 45
・HP Drain: 5.10% |
| 6 | Unlock LR+7 | 1 | All Characters |
・STR: Chara Lvl x 50
・HP Drain: 5.20% |
| 7 | Unlock LR+8 | 1 | All Characters |
・STR: Chara Lvl x 55
・HP Drain: 5.30% |
| 8 | Unlock LR+9 | 1 | All Characters |
・STR: Chara Lvl x 60
・HP Drain: 5.40% |
| 9 | Unlock LR+10 | 1 | All Characters |
・STR: Chara. Lvl x 65
・HP Drain: 5.50% |
| All Fornax's Courage Arcana Characters | |||
|---|---|---|---|
Potpourri
|
Merlyn
|
- | - |
| Lv | Unlocked Effects | Arcana Group Max Awaken | Enhanced Targets | Stats Affected |
|---|---|---|---|---|
| 1 | Unlock SR | - | Arcana Group |
・CRIT: Chara Lvl x 30
・DEF: - |
| 2 | Unlock UR | - | Arcana Group |
・CRIT: Chara Lvl x 70
・DEF: Chara Lvl x 15 |
| 3 | Unlock LR | - | All Characters |
・CRIT: Chara Lvl x 70
・DEF: Chara Lvl x 15 |
| 4 | Unlock LR+5 | All Characters |
・CRIT: Chara Lvl x 70
・DEF: Chara Lvl x 15 |
|
| 5 | Unlock LR+6 | All Characters |
・CRIT: Chara Lvl x 75
・DEF: Chara Lvl x 16 |
|
| 6 | Unlock LR+7 | All Characters |
・CRIT: Chara Lvl x 80
・DEF: Chara Lvl x 17 |
|
| 7 | Unlock LR+8 | All Characters |
・CRIT: Chara Lvl x 85
・DEF: Chara Lvl x 18 |
|
| 8 | Unlock LR+9 | All Characters |
・CRIT: Chara Lvl x 90
・DEF: Chara Lvl x 19 |
|
| 9 | Unlock LR+10 | All Characters |
・CRIT:
・DEF: |
| List of Gacha Banners | |
|---|---|
![]() Prayer of The Fleeting
|
![]() Prayer of The Cursed
|
![]() Prayer of Soul
|
![]() Prayer of Beginnings
|
![]() Invocation of Chance
|
![]() Chosen Prayer of the Fleeting
|
You can get Merlyn by pulling from any of the banners above.

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 | - |
Amleth
|
Amour
|
Cordie
|
Dian
|
Fenrir
|
Florence
|
Freesia
|
Hathor
|
Ivy
|
Lunalynn
|
Merlyn
|
Mertillier
|
Mimi
|
Moddey
|
Natasha
|
Nina
|
Olivia
|
Primavera
|
Rean
|
Sabrina
|
Soltina
|
Tropon
|
Merlyn Builds: Best Runes and Team Comps

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