What to know
- Eternal Waltz is an S-Rank Synthesis Arc that boosts Max HP and Mental DMG after Ultimates, ideal for Fadia and sustain builds.
- Obtain it for free via the first weekly clear of The Never-Ending Arachne at Ebisu Auction House in New Herland District.
- Unlocked through the main story episode “Deal? Deal!” progressing from Old Town to B2 levels.
Eternal Waltz stands out as a top-tier Synthesis Arc in Neverness to Everness, offering strong HP scaling and Mental damage amps that shine in prolonged fights. Players can secure this S-Rank weapon early without gacha pulls by targeting a specific overworld boss. Mastering the path to it involves story progression, navigation, and combat tactics against a formidable spider-like foe.
| Attribute | Details |
|---|---|
| Rank | S-Rank |
| Type | Synthesis |
| Base ATK (Max) | 424 |
| Substat (Max) | HP +41.2% |
| Effect | Increases Max HP by 20-32%; boosts Mental DMG by 10-18% for 10s after Ultimate |
| Signature User | Fadia |
Locations
Ebisu Auction House sits in the New Herland District, accessible via the “Deal? Deal!” main quest starting from Old Town elevators descending to B2.
Navigate shifting corridors, dodge obstacles, and interact with lamps amid spatial puzzles to reach the boss arena, blending auction-themed areas with anomaly distortions for an immersive descent.
Story prerequisites
Advance through main missions up to “Love that Begins with Lies” to unlock “Deal? Deal!” automatically. This episode triggers the Ebisu Auction House sequence, including elevator descents, corridor runs with dynamic obstacles, bridge crossings, and lamp interactions that stabilize the environment. Completing these leads directly to the first encounter with The Never-Ending Arachne, granting story rewards like Hunter EXP, Annulith, and Fons.
How to reach Ebisu Auction House
Follow these steps to access the boss area during or after the story.
Step 1: Start the quest
Head to Old Town after prior missions; the quest activates in your log.
Step 2: Enter the elevator
Interact with the elevator and descend to B2 Ebisu Auction Hall.
Step 3: Navigate between floors
Wait for arrival, then proceed through initial areas.
Step 4: Run the corridor
Sprint down the corridor, dodging falling obstacles and phase shifts; enter side doors as they open (right door first run, left on third).
Step 5: Cross the bridge
After the cityscape overlook, take the left door and continue through shifting spaces.
Step 6: Interact with the lamp
Reach and activate the lamp to restore tranquility and trigger dialogues.
Step 7: Challenge the boss
Approach the group to enter the arena against The Never-Ending Arachne.
How to defeat The Never-Ending Arachne
This weekly Anomaly Pilgrimage boss features high HP, teleportation, frequent AoE attacks, and phase shifts. First-time clears guarantee the S-Rank drop.
Recommended team
- Frontline: Daffodill (Chaos weakness exploit)
- Support: Sakiri, Haniel, Fadia (Psyche/Incantation for Discord Esper Cycle)
- Focus break damage via cycles.
Core combat tips
- Parry combo finishers for vulnerability windows; perfect dodges handle most attacks.
- Jump over flower shockwaves; critical dodge predictive lines.
- In Phase 2 (low HP), stay in light zones to avoid freezing.
Step 1: Build break with cycles
Activate Discord Cycle using Daffodill’s Chaos hits backed by Psyche/Incantation supports to chunk toughness.
Step 2: Dodge and parry basics
Time perfect dodges for telegraphed AoEs; parry final hits in combos for ripostes.
Step 3: Handle flowers and lasers
Jump shockwaves from planted flowers; weave through laser gaps via quick positioning.
Step 4: Survive Phase 2
Post-HP threshold, position in safe light; observe patterns while maintaining pressure.
Step 5: Burst Ultimates
Use supports for energy; chain Ultimates during vulnerable states to end the fight.
Eternal Waltz rewards
| Reward | First Clear | Weekly Repeat |
|---|---|---|
| Eternal Waltz Arc | Guaranteed S-Rank | Materials (Beetle Coin 420k total asc., Flavorless Cold Dessert 14, etc.) |
| Hunter EXP | 1000+ | Scaling |
| Annulith | 60 | Variable |
| Fons | 40k | – |
| Beetle Coin | 100k | Ascension mats |
| Expansion Core | 10 | – |
Upgrade path for Eternal Waltz
Ascend using boss materials: accumulate Beetle Coins, Cold Desserts (Plain/Flavorless/Special), and Silhouettes (Fading/Blurred/Chaos). Total costs support multiple refinements for endgame viability.
Best characters for Eternal Waltz
Pair with Fadia for signature synergy, enhancing her HP sustain and Mental output via damage redirection. Alternatives include Mental-scaling tanks like those in Psyche teams, amplifying Ult cycles in boss rotations.
This free S-Rank jumpstarts progression, outpacing early gacha luck. Equip on mains for Appraisal Level pushes, Tycoon unlocks, and anomaly farms.
