Wuthering Waves Cost 3 Echoes: 273% Fusion DMG Best Picks
Buffget
2025/12/18
Details all 3-Cost Elite Echoes focusing on Elemental DMG variants. Data Bank Lv15+ unlocks 5-Stars; pity every 4 fights. Prioritize Corrosaurus (273.60% Fusion DMG, 12% bonus). Tune subs Crit 1:2; Flautist for Void Thunder Sonata; overworld hunts, Data Merge, Tacet Fields for 5-Star yields.
Introduction to Cost 3 Echoes in Wuthering Waves
What Are Cost 3 Echoes?
These bad boys drop from Elite enemies and hit hard—think 273.60% DMG from a Corrosaurus Fusion summon. Take Abyssal Gladius: it transforms into Glacio DMG with a ranged hold attack. Or Flautist, pumping out Electro DMG while building Concerto Energy. Slot 'em into your main (Q key) for those sweet 12-20% Sonata bonuses.
Hunt overworld Elites that match your element. Absorb 'em at Data Bank Lv15+ to snag 5-Stars. Then slap one in as your Sonata lead.
Role in Resonator Builds
They supercharge your Elemental DMG through mains like Glacio or Fusion %. Abyssal Patricius? Straight Glacio DMG bonus. Keep 10-12 in inventory, equip 5 at a time—Corrosaurus tacks on 20% Echo Skill DMG, no sweat.
Match the element (Electro for Vitreum Dancer, say). Pop that Q cooldown for max output. Pair with Cost 1/4 sets to round it out.
Why Focus on Elemental DMG Elites
Flautist lasers? Swap-cancellable Electro goodness. Cyan-Feathered Heron charges get interrupted for Aero plays—both net 12%+ bonuses. That April 29-June 6, 2024 event handed out free Cost 3s, remember? And Lemon-Braised Pork? 20% drop boost for 30 minutes. Game-changer.
Filter your Guidebook for Echo Hunting by Elementals. Hit those 5 weekly Cost 4 chances, but pivot to Cost 3. Chow down on Pork right before.
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Preparation for Efficient Farming
Required Data Bank and Tools
Lv15+ Data Bank unlocks 5-Star Cost 3s and Merges; Lv21 locks in the rares. Guidebook tracks Elites. Pork boosts drops 20% for 30m—stock up.
Farm basic absorbs for entries first. Gear up with drop boosters. Co-op to skip those pesky resets.
Drop Rate Factors
Pity hands you a Cost 3 every 4 fights. Data Bank bumps rates +20%. Merge 5 lower Echoes for upgraded rarity.
Track pity right in the Data Bank. Merge 5 of the same Cost. Clean up Tacet Fields for extras.
Team Comps for Elites
Quick-swap behind shields (Stonewall Bracer tanks hits like a champ). Electro squad shreds Flautist or Tempest Mephis.
Lead with 1:2 Crit DPS. Sub in healers for Havoc like Chasm Guardian. Parry your way through Lumiscale Constructs.
Primary Farming Methods for Cost 3 Elites
Overworld Elite Hunts
Zero in on Corrosaurus—273.60% Fusion, 12% DMG, plus 20% Skill. Kerasaur leaps and slams Aero/Liberation. Hurriclaw charges forward.

Full Cost 3 Elite List by Element:

- Glacio: Abyssal Gladius (ranged), Abyssal Mercator (3 Ice Spikes), Abyssal Patricius (DMG bonus), Autopuppet Scout (Ice Walls), Frostbite Coeloid (punch summon), Glacio Dreadmane (mid-air).
- Fusion: Chop Chop (summon), Corrosaurus (273.60%), Ironhoof (charge).
- Aero: Carapace (spin), Cyan-Feathered Heron (interrupt charge), Flora Reindeer (summon), Hoochief (cyclone), Hurriclaw (forward), Kerasaur (slam+charge), Windlash Coeloid (kick).
- Electro: Flautist (energy recovery), Tempest Mephis (continuous), Vitreum Dancer (bonus), Zip Zap (attack bonus).
- Spectro: Capitaneus (Heavy DMG bonus), Diurnus Knight (Frazzle), Lightcrusher (lunge).
- Havoc: Chasm Guardian (HP trade), Havoc Dreadmane (tail), Mining Drone (summon).
- Physical: Cuddle Wuddle (consecutive), Spearback.
Guidebook locate. Defeat 4x for pity trigger. Respawn after reset. Chase 12%+ bonuses first—trust me.
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Data Merge and Tacet Fields
At Lv15+, merge 5 lower Echoes into Cost 3. Tacet Fields burn Waveplates for sets (SOL3 Phase 4).
Stockpile 1/2-Cost fodder. Merge with high-rarity inputs. Alternate with overworld runs.
Main and Sub Stats Optimization
Cost 3 Main Stats
Pick ATK/HP%/ATK%/DEF%, or Elemental DMG (Aero/Glacio/Fusion/Electro/Havoc/Spectro), Energy Regen%. Secondaries go Flat ATK. Elemental % for DPS mains, always.
Hunt matching Elites—like Flautist for Electro %. Level to 3+ stars to unlock. Slot as Sonata main.
Substats and Tuning
Every 5 levels: HP/ATK/DEF (flat/%), Crit Rate/DMG, Energy Regen, DMG Bonuses. Purple gets 4 subs, Gold 5. Tune to 1:2 Crit DPS ratio.

Tune after Lv15. Salvage the duds. Aim for 20%+ on Corrosaurus Skill—(editor's note: this one's my go-to for Fusion carries).
Best Practices and Sonata Synergies
Elemental Matching and Pity
Every 4 Elites, guaranteed. Flautist shines in Void Thunder—lasers, energy regen, the works.

Plan 4-fight cycles. Run Sierra Gale (Aero) or Void Thunder. Co-op for speed.
Common Mistakes to Avoid
Mismatched bonuses? You're losing 12-20% yields. Low Data Bank? No 5-Stars. Ignoring pity resets? Rookie move.
Fixes:
- Elemental main on Cost 3.
- Lv15+ before loops.
- Track in Guidebook.
Why does this matter? One bad roll snowballs into weak Sonatas.
Post-Farm Echo Tuning and Usage
Top Echoes for Builds
Flautist or Corrosaurus for DPS spikes; Stonewall Bracer for sustain. Weave into dailies.
Equip full 5-set matches. Tune subs Crit-first. Scale for endgame Union.
Inventory Management
Cap at 10-12 per Resonator. Elites get priority—toss the rest.
FAQs
What is Cost 3 Echo pity?
Guaranteed every 4 Elite fights.
Best Data Bank level for 5-Star Cost 3?
Lv15+ access; Lv21 guarantees.
How to boost drops?
Lemon-Braised Pork (20%, 30m); co-op.
Top Electro Cost 3 Elite?
Flautist: Electro DMG + Concerto Energy.
Data Merge vs Overworld?
Merge supplements; overworld for specifics.
Substat limit on Gold Cost 3?
5 subs; tune Crit 1:2.

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