Calculate your resonator's expected DPS based on echo stats and team buffs.
Formula:
DPS = BaseATK × (1 + ATK%) × Multiplier × (1 + CRIT Rate × CRIT DMG)
The Wuthering Waves echo damage calculator above gives you instant feedback on any build configuration, but understanding the underlying mechanics is the key to making smart decisions. This guide covers everything you need to know about echo optimization in version 3.4, from the basics of the echo system to advanced substat priority and common pitfalls. Whether you are theorycrafting a new Jiyan build or fine-tuning your Shorekeeper support set, this WuWa echo optimizer guide will help you reach your Echo set DPS potential.
Every Resonator in Wuthering Waves equips five echoes arranged by cost value: one 4-cost echo (dropped by bosses), one 3-cost echo (dropped by elite enemies), and three 1-cost echoes (dropped by basic enemies). The total cost of all five echoes cannot exceed 12, and this limit forces you to make strategic choices about which echoes to equip.
Echoes provide two types of bonuses: main stats and set bonuses. The main stat is determined by the echo’s cost type and cannot be changed once obtained. Set bonuses activate when you equip two or five echoes from the same set. The 2-piece bonus provides a moderate stat increase (usually 10% ATK or Elemental DMG), while the 5-piece bonus provides a significant effect tied to the set’s theme such as increased heavy attack damage or resonance skill damage.
Understanding which set to farm for each Resonator is the foundation of your endgame progression. For example, the Sun-Sinking Eclipse set enhances heavy attack damage making it ideal for Jiyan and Calcharo, while the Moonlit Clouds set boosts resonance skill damage for quick-swap characters like Changli and Xiangli Yao. The Lingering Tunes set offers a universal ATK bonus that works well on almost any DPS unit as a starting set.
Echoes also have a main stat that scales with cost. A 4-cost echo can roll CRIT Rate (22%), CRIT DMG (44%), ATK% (33%), HP% (33%), DEF% (33%), or Healing Bonus% (25%). A 3-cost echo can roll Elemental DMG Bonus (30%), ATK% (30%), HP% (30%), or DEF% (30%). A 1-cost echo can only roll ATK% (18%), HP% (18%), or DEF% (18%). This hierarchy makes the 4-cost echo the most impactful piece in any build because CRIT main stats are exclusive to it and provide the largest numerical bonuses.
Choosing the correct main stat for each echo slot is the single highest-impact decision you make when building your Resonator. Getting the main stat wrong can cost you 30%-50% of your potential damage output regardless of how good your substats are.
4-cost echo: For main DPS characters, the standard choice is CRIT Rate or CRIT DMG depending on which stat you need to balance. Aim for a 1:2 ratio — for every 1% of CRIT Rate you want 2% of CRIT DMG. If your total CRIT Rate after substats and weapon is below 45%, pick CRIT Rate. If it is above 60%, pick CRIT DMG. For support and healer units, ATK% or HP% is usually the better choice unless they deal meaningful damage.
3-cost echoes: The best in slot is always the Elemental DMG Bonus that matches your Resonator’s element. If you do not have a good Elemental DMG piece with the right set bonus, ATK% is a serviceable substitute. Running two Elemental DMG 3-cost echoes is standard for main DPS units. Sub-DPS characters can run one Elemental DMG and one ATK% to balance damage with utility.
1-cost echoes: Always ATK% for DPS and sub-DPS units. HP% for healers like Verina and Shorekeeper. DEF% for niche tank builds. There is no reason to run anything else on 1-cost echoes since the alternatives provide significantly less value for most Resonators.
Substats are the difference between a mediocre build and an exceptional one. Each echo can roll up to five substats from a shared pool, with values ranging from low to high. The Wuthering Waves echo damage calculator above lets you experiment with substat distributions to find the optimal mix for your specific character and team.
Main DPS (Jiyan, Calcharo, Changli, Camellya, Xiangli Yao, Encore): CRIT Rate > CRIT DMG > ATK% > Energy Regen% > Flat ATK. You want every echo to contribute to your crit ratio. A perfectly rolled DPS echo has both CRIT Rate and CRIT DMG alongside ATK%. Energy Regen is only valuable if you cannot maintain your rotation without it.
Sub-DPS (Yinlin, Zhezhi, Sanhua, Mortefi, Roccia, Aalto): CRIT Rate = CRIT DMG > Energy Regen% > ATK% > Flat ATK. Sub-DPS units often need their ultimate rotation to enable the main DPS, making Energy Regen more important than for pure DPS characters. Once you reach approximately 120% Energy Regen, prioritize crit stats. The breakpoint varies by character and team composition.
Support (Shorekeeper, Verina, Baizhi, Taoqi, Jianxin): Energy Regen% > HP% > Flat HP > DEF%. Damage is not your priority. Focus on reaching Energy Regen thresholds (usually 130%-150% depending on the character) to ensure your ultimate is available on cooldown, then stack HP or DEF for survivability. Shorekeeper specifically benefits from HP% because her healing and team buffs scale with maximum HP.
Overcapping CRIT Rate. CRIT Rate above 100% provides zero benefit. The calculator enforces this cap, but in game it is easy to overcap with high-roll substats, weapon passives, and team buffs combined. Always check your total CRIT Rate including all sources before deciding on a 4-cost main stat.
Ignoring Energy Regen breakpoints. A Jiyan without his ultimate loses his primary damage source. A Shorekeeper who cannot cast her ultimate on cooldown fails to provide team-wide CRIT DMG buffs. Each character has an Energy Regen breakpoint that enables comfortable rotation, and failing to meet it hurts your team DPS more than missing a few CRIT substat rolls.
Using the wrong echo set for your Resonator. The Lingering Tunes set provides a generic ATK% bonus, while the Sun-Sinking Eclipse set specifically boosts heavy attack damage. Using Lingering Tunes on Jiyan instead of Sun-Sinking Eclipse costs you 15%-20% of his heavy attack damage. Always match the set effect to your Resonator’s primary damage source. Check character guides or the in-game skill descriptions if you are unsure.
Leveling echoes without checking main stat. A +25 echo with perfect substats is useless if the main stat is wrong. Always verify that the main stat matches your build plan before spending tuning materials. A +20 echo with the correct main stat and two good substats outperforms a +25 echo with perfect substats but the wrong main stat.
Judging echoes before reaching +20. An echo at +15 with flat DEF and HP substats looks disappointing, but it may roll CRIT Rate and CRIT DMG at +20 and +25. Level echoes to at least +20 before deciding to discard them. The last two substat rolls can completely transform an echo.