Character Overview
Mortefi is a 4-star Fusion Rectifier Support who provides team buffs and Fusion application. While his individual performance is modest, he can enhance Fusion DPS characters effectively.
Her unique mechanic revolves around Fusion Seal, which sets her apart as a versatile support. Mastering this mechanic is key to maximizing her potential in combat.
Mortefi excels in both Tower of Adversity and Whimpering Wastes content, providing consistent performance with strong team synergy.
Skill Priority
| Skill | Priority | Reason |
|---|---|---|
| Resonance Skill | 5/5 | Buff application. |
| Forte Circuit | 4/5 | Seal enhancements. |
| Resonance Liberation | 4/5 | Team buffs. |
| Intro Skill | 3/5 | Entry buff. |
| Normal Attack | 1/5 | Minimal. |
Skills & Abilities
Basic Attack
Perform up to 4 consecutive attacks dealing Fusion DMG. The fourth hit deals increased damage and applies Fusion Frazzle.
| Stage | Damage (Lv.90) |
|---|---|
| Stage 1 | 76.0% ATK |
| Stage 2 | 81.0% ATK |
| Stage 3 | 41.0% x 2 ATK |
| Stage 4 | 136.0% ATK + Frazzle |
| Heavy Attack | 111.0% ATK |
| Dodge Counter | 96.0% ATK x 2 |
Resonance Skill
Unleash a powerful fusion attack, dealing Fusion DMG and applying Fusion Frazzle to enemies. Generates Concerto Energy on hit.
| Detail | Value |
|---|---|
| Skill DMG | 166.0% + 186.0% ATK |
| Fusion Frazzle | 2 stacks applied |
| Concerto Regen | 12 |
| Cooldown | 10-12s |
Resonance Liberation
Unleash the full power of Fusion, dealing massive Fusion DMG to all nearby enemies. This is Mortefi's primary burst damage source.
| Detail | Value |
|---|---|
| Base DMG | 366.0% ATK |
| Area | Large AoE |
| Energy Cost | 125 |
| Cooldown | 20s |
Forte Circuit: Fusion Seal
Mortefi's core mechanic. Fusion Seal enhances her combat capabilities and provides unique buffs that synergize with her fusion kit.
| Mechanic | Effect |
|---|---|
| Mechanic | Fusion Seal stacks/buffs |
| Max Effect | +15% Fusion DMG Bonus |
| Duration | 15-25s (varies) |
Inherent Skills
| Skill | Effect |
|---|---|
| Fusion Mastery | +20% Fusion DMG Bonus for 15s after casting Liberation. |
| Combat Focus | +10% ATK when Fusion Frazzle is applied to enemies. |
| Team Buff | +15% Fusion DMG for the team when Mortefi is active. |
| Frazzle Expert | +25% Fusion Frazzle damage when enemies are afflicted. |
Best Weapons
Comet Flute
Effect - Comet's Power:
ATK increased by 12%. When dealing Fusion DMG, gain stacking buffs that increase Fusion DMG Bonus (max 14 stacks, lasts 12s).
Why Best: Energy Regen.
Guardian Rectifier
Effect - Guardian's Power:
ATK increased by 12%. When dealing Fusion DMG, gain stacking buffs that increase Fusion DMG Bonus (max 14 stacks, lasts 12s).
Alternative: Craftable.
Rectifier of Night
Effect - Rectifier's Power:
ATK increased by 12%. When dealing Fusion DMG, gain stacking buffs that increase Fusion DMG Bonus (max 14 stacks, lasts 12s).
Alternative: ATK% buffs.
Best Echo Build
Sonata Effect: Molten Rift
2-piece: Fusion DMG +10%
5-piece: When hitting a target with Fusion Frazzle, increase Crit Rate by 10% and grant 30% Fusion DMG Bonus, lasting for 10s.
Main Echo: Molten (or Alternative Echo)
Molten is the best main echo for Mortefi, providing Fusion DMG Bonus and ATK% buffs that synergize with her kit.
Echo Stats Priority
| Cost | Main Stat Priority |
|---|---|
| 4-COST | HP% / DEF% |
| 3-COST | Fusion DMG Bonus |
| 1-COST | ATK% |
Substats Priority
| Priority | Stat | Importance |
|---|---|---|
| 1 | HP% | Essential |
| 2 | Energy Regen | High |
| 3 | ATK% | Medium |
| 4 | Fusion DMG Bonus | Low |
| 5 | DEF% | Low |
Best Team Compositions
F2P
Strategy: Fusion support.
Premium
Strategy: Buffs Changli.
Rotation Guide
- Start with support/healer: Cast Resonance Skill to apply buffs, build Concerto Energy.
- Swap to sub-DPS: Apply elemental reactions and generate Concerto.
- Swap to Mortefi (Intro): Apply Fusion Frazzle and gain initial buffs.
- Build resources: Use Normal Attacks and Skills to build energy/buffs.
- Cast Liberation: Unleash burst damage at optimal timing.
- Maintain DPS: Continue attacking during buff windows.
- Swap out: Trigger Outro skill, switch to support to restart cycle.
Tip: Always time your Liberation with full buffs for maximum damage output. Maintain Fusion Frazzle on enemies for consistent damage.
Pros & Cons
Pros
- Excellent support with valuable utility
- Scales well with investment and Resonance Chains
- Good team synergy with fusion resonance
- Flexible team building options
- Performs well in endgame content
Cons
- Requires proper rotation timing for optimal performance
- Energy management important for Liberation uptime
- Performance improves significantly with signature weapon
- Team dependent for maximum potential
Resonance Chain (Constellations)
| Sequence | Name | Effect |
|---|---|---|
| S1 | First Light | Team Fusion DMG +15% |
| S2 | Radiant Power | Seal duration +3s |
| S3 | Ascended Might | Skill CD -2s |
| S4 | Golden Grace | Seals also reduce enemy Fusion RES |
| S5 | Crown of Glory | Buff potency +25% |
| S6 | Eternal Legacy | Liberation grants team 30% ATK |
Value Assessment: S1 and S2 provide the biggest power spikes. S6 is powerful but luxury. S0 Mortefi is already a solid character.
Character Comparison
| Aspect | Mortefi | Jinhsi | Carlotta |
|---|---|---|---|
| Element | Mortefi | Fusion | Spectro |
| Weapon | Mortefi | Rectifier | Broadblade |
| Role | Mortefi | Support | Main DPS |
| Complexity | Mortefi | Medium | Medium |
| S0 Power | Mortefi | B | SS |
| Team Flexibility | Mortefi | High | High |