Event Structure and Requirements
Remnants of Twilight runs January 7, 2026, 12:00 to February 9, 2026, 03:59. Requirements: Trailblaze Level 21 and complete Amphoreus - Dawn, Shine at the World's End. Three difficulties—Easy, Hard, Nightmare—unlock sequentially. Nightmare awards SS rating and prohibits trial characters.
Five stages unlock daily with unique mechanics. Rewards: 600 Stellar Jade total and one Tracks of Destiny. All characters receive Technique Buffs automatically at combat start.
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Stage Mechanics
Day 1 - Earthshaker Leo: Back-row immunity to Single Target/Blast skills. Defeat three Spirithiefs first (ramps boss damage taken to 2000%). Nightmare requires specific combos: Skill→Ultimate or Ultimate→Skill per Spirithief.
Day 2 - Corrupting Shadowfiend: HP Overload pushes character HP below zero until settlement. Enemies take 99% reduced damage while summons alive—eliminate summons immediately.
Day 3 - Greatsword Guardian: HP Count mechanics cause knockdown at zero. Restore HP Count by defeating enemies, prioritize lower counts first.
Day 4 - Synergy Duo: Dual Battlefield splits team. Black weaknesses: Physical, Lightning, Quantum. White weaknesses: Ice, Lightning, Wind. Synchronize HP depletion for both bosses.
Day 5 - Elegy Siren: Phantom Illusion transforms allies into Hallucinogenic Mermaids. Mermaid's Skill applies Max-HP DoT, Basic Attacks dispel Illusion. Keep fatal-damage count below two. Nightmare adds undispellable DoT on all allies.
Why 4-Star DoT Teams Work
DoT debuffs trigger at the start of afflicted enemy's turn. Wind Shear, Burn, Shock deal 25% applier's ATK per turn; Bleed deals 20% enemy Max HP capped at 25% applier's ATK. DoT accumulates naturally without Kafka's detonation.
Kafka's advantage: immediately triggers all DoTs on attack. 4-star teams compensate through consistent application, multi-target coverage, and debuff stacking. Kafka bursts damage in windows; 4-stars sustain pressure across cycles.
Guinaifen: Skill deals 120% ATK + 40% to adjacent (level 10), applies Burn (218.2% ATK over two turns). Ultimate: 120% ATK AoE, 92% Burn chance, 83% ATK for two turns.
Sampo: Wind Shear through Skill and Ultimate, consistent uptime.
Luka: Bleed scales with enemy Max HP—effective against high-HP bosses.
Serval: Shock with AoE coverage, Lightning element.
DoT Stacking
Each DoT type stacks independently. One enemy can suffer Burn, Wind Shear, Shock, and Bleed simultaneously. Well-coordinated 4-star team applying four DoT types generates eight damage instances per enemy turn cycle.
Speed tuning is critical. DoT characters must act before enemies to refresh debuffs before expiration.
Speed Tuning Breakpoints
- 134 SPD: Two bonus turns across five cycles—ideal for DPS
- 120 SPD: Two turns in second cycle
- 160 SPD: Three bonus turns but excessive stat investment
Target 134 SPD on Guinaifen and Sampo. Pela needs 136 SPD to apply defense shred before DPS. Sustain characters function at 120-125 SPD.
Character Builds
Guinaifen: Primary Burn Applicator
- Effect Hit Rate: 67% minimum (100% vs resistant enemies)
- Speed: 134 SPD breakpoint
- ATK%: Maximize after thresholds
- Relics: Prisoner in Deep Confinement 4pc (12% DEF ignore + DoT damage)
- Light Cone: Eyes of the Prey or Resolution Shines As Pearls of Sweat
- Main Stats: Body (ATK%/Effect Hit Rate), Feet (SPD), Sphere (Fire DMG%), Rope (ATK%)
- Substats Priority: Effect Hit Rate to threshold > SPD to breakpoint > ATK% > Break Effect
- Eidolons: E1 increases Burn duration (high value)
Sampo: Wind Shear Specialist
- Same stat thresholds as Guinaifen: 67% Effect Hit Rate, 134 SPD, maximize ATK%
- Relics: Prisoner in Deep Confinement or Musketeer of Wild Wheat 4pc
- Light Cone: Eyes of the Prey or Resolution Shines As Pearls of Sweat
- Eidolons: E1 extends Wind Shear duration, E4 adds extra stacks
Pela: Defense Shred Support
- Speed: 136 SPD (acts before DPS)
- Energy Regeneration Rate: Ultimate uptime
- Effect Hit Rate: Ensure debuff application
- Relics: Eagle of Twilight Line 4pc or Messenger 2pc + Broken Keel 2pc
- Ultimate: Reduces enemy DEF by 40%
Sustain Options
Gallagher: Healing + Break Effect synergy. Build HP%, DEF%, Effect RES%.
Lynx: Targeted healing + cleanse. Build HP%, DEF%, Effect RES%.
Both need 120-125 SPD minimum.
F2P Team: Hysilens Core
Team: Hysilens, Serval, Asta, Lynx
Hysilens: Ultimate deals 200% ATK Physical AoE. Zone mechanic triggers 80% ATK DoT per existing DoT instance (stacks 8x).
Serval: Shock through Skill/Ultimate, Lightning coverage.
Asta: SPD buffs, Fire weakness coverage.
Lynx: Healing + cleanse for Nightmare.
Strategy: Hysilens' Zone damage multiplies with each DoT type. Serval's Shock + additional debuffs create explosive bonus damage.
Skill Point Economy: Hysilens and Serval alternate Skills/Basic Attacks. Asta and Lynx primarily use Basic Attacks. Sustainable rotation allows consistent Ultimates.
Advanced Team: Guinaifen + Sampo Core
Team: Guinaifen, Sampo, Pela, Gallagher
Applies Burn and Wind Shear simultaneously for dual DoT pressure.
Turn Rotation:
- Pela Ultimate (defense shred)
- Guinaifen Skill (Burn)
- Sampo Skill (Wind Shear)
- Gallagher Basic Attack (skill point generation)
Alternate Skills/Basic Attacks based on skill points and debuff duration.
Ultimate Timing: Pela before DPS Ultimates. Guinaifen for AoE Burn. Sampo for Wind Shear spread.
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Achieves SS rating in 6-8 cycles with proper investment.
Day 5 Strategy
Recommended: Hysilens, Kafka (or Guinaifen substitute), Ruan Mei, Hyacine
Transform Ruan Mei or Hyacine to minimize DPS loss. For 4-star: substitute Kafka with Guinaifen, focus Burn stacking before transformation.
Nightmare: Undispellable DoT on all allies creates damage race. DoT teams excel—damage accumulates while managing incoming damage.
Key Mechanic: Transformed Mermaids use Basic Attack to dispel Illusion on others. Coordinate transformations so one character remains untransformed to dispel when fatal-damage count approaches two.
Cycle-by-Cycle Execution
Cycle 1-2: Apply DoT types through Skills, Pela Ultimate for defense shred, generate skill points. By end: 2-3 DoT types active with defense shred.
Cycle 3-5: Damage ramp phase. Use DPS Ultimates during defense shred with max DoT stacks. Maintain debuff uptime over burst damage.
Cycle 6-8: Burst phase. Enemies below 50% HP from DoT ticks. Coordinate Ultimates with enemy action timing.
If enemies survive past Cycle 8, reassess speed tuning and Effect Hit Rate.
Common Mistakes
Over-investing ATK%, neglecting Effect Hit Rate: Inconsistent debuff application. Prioritize Effect Hit Rate thresholds first.
Ignoring speed tuning: Suboptimal turn order disrupts rotation. Use speed calculators.
Poor skill point management: Ultimate delays force Basic Attack spam during damage windows. Maintain positive economy—one or two Skills per turn.
Underestimating sustain: Team wipes before damage accumulates. Invest in sustain HP%, DEF%, healing output.
Investment Priority
- Guinaifen: First fully invested DoT character. Target E1 minimum, then relic optimization
- Sustain (Gallagher/Lynx): Defensive stats and healing output
- Pela: Defense shred amplification. E0 functions with proper speed/Energy Regen
- Sampo/Serval: Secondary DoT applicator based on roster gaps
F2P Light Cones: Eyes of the Prey, Resolution Shines As Pearls of Sweat, Good Night and Sleep Well
Relic Priority: Prisoner in Deep Confinement (DoT), Eagle of Twilight Line (Pela), Passerby of Wandering Cloud (sustain). Correct main stats > substats.
Performance vs 5-Star Teams
Fully invested 4-star team (E4 Guinaifen, E4 Sampo, E2 Pela, E0 Gallagher) achieves 70-80% damage of Kafka/Black Swan teams. Cycle difference: 2-3 additional cycles.
Investment cost: 60-80% fewer resources than two limited 5-stars with signature Light Cones.
Consistency: Kafka's detonation creates predictable damage windows. Black Swan's Arcana scaling unmatched. But for Remnants of Twilight's generous cycle requirements, 4-star teams achieve identical SS ratings.
Decision Point: Pull Kafka/Black Swan after exhausting 4-star optimization for faster clears, not to enable clears.
Troubleshooting
Can't meet cycle requirements: Reassess damage rotation. Are Ultimates used during defense shred? Are DoTs maintained continuously? Record attempts to identify gaps—one turn without DoTs = 10-15% damage loss.
Inconsistent clears: Insufficient Effect Hit Rate. Increase to 67% minimum, 100% for resistant enemies.
Survival issues: Inadequate sustain investment or poor defensive stats. Verify sustain has HP%/DEF% main stats, healing bonuses, acts frequently. Add Effect RES% to reduce incoming debuff duration.
Roster limitations: Lacking Pela? Use Silver Wolf or Asta. Missing Gallagher? Lynx, Natasha, or March 7th work. DoT teams allow numerous viable combinations.
FAQ
Can you clear Nightmare without Kafka or Black Swan?
Yes. 4-star DoT teams achieve SS ratings in all stages. Requirements: 134 SPD for DPS, 67% Effect Hit Rate minimum, proper sustain investment. Clear times extend 2-3 cycles vs premium teams.
Minimum investment required?
Level 70 characters, level 6 Traces, correct main stat relics at +12, 4-star Light Cones level 60. 67% Effect Hit Rate for DPS, 134 SPD breakpoint, 3000+ HP sustain. Allows 9-10 cycle clears.
How does DoT stacking work?
Each DoT type deals damage independently at enemy turn start. Wind Shear/Burn/Shock: 25% applier ATK per turn. Bleed: 20% enemy Max HP capped at 25% applier ATK. Four DoT types = four damage instances per enemy turn, quadrupling output vs single-type.
Which 4-star to build first?
Guinaifen—best ROI for consistent Burn, AoE coverage, low Eidolon requirements. E1 extends Burn duration (high value). Then sustain (Gallagher/Lynx), Pela for defense shred, finally Sampo/Serval.
Optimal speed targets?
DPS: 134 SPD. Pela: 136 SPD. Sustain: 120-125 SPD. Avoid 160 SPD—stat investment compromises ATK% and Effect Hit Rate.
Guinaifen vs Sampo?
Complementary, not competing. Guinaifen: Burn + AoE + Fire element. Sampo: Wind Shear + single-target + Wind element. Optimal teams include both for DoT stacking. If choosing one: Guinaifen edges ahead for AoE, but build both for flexibility.
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