• Increases Resonance Energy of the equipping character and the ATK of the next character taking the field.
• The skill itself deals 300%+ total Havoc DMG.
• Still the best in slot for any Sub-DPS running Moonlit Clouds. The nightmare version of this echo only has the Midnight Veil sonata effect which is a bit more inclined for Havoc Sub-DPS's.

• The best Rejuvenating Glow echo for the best HP-scaling supports in the game.
• Works with Shorekeeper, the best healer in the game right now.
• Can charge Concerto Energy extremely fast by holding the echo button. Resonators can still act while Fallacy is delivering a flurry of punches.

• The best echo for Sub-DPS that does coordinated attack.
• ATK increase for the current resonator as long as the coordinated attacks deal critical hits.
• Echo effect summons blades that also works off-field.

• Extremely effective attacker when summoned in battle.
• ATK is increased for 15s after skill activation
• The skill deals up to 270% damage.
• Can be used in the overworld to traverse quickly.

• Deals a total of 270% damage everytime it is summoned.
• Skill can be charged up to three times, so you can use the echo skill multiple times.

• One of the two best echo for Electro DPS.
• See if your Resonator scales off Resonance Skill or Resonance Liberation. If Resonance Skill, use Tempest Mephis.
• Also has access to Empyrean Anthem sonata effects, so this echo could also work with coordinated attack Sub-DPS characters.

• One of the two best echo for Electro DPS.
• See if your Resonator scales off Resonance Skill or Resonance Liberation. If Resonance Liberation, use Thundering Mephis.

• Primary Gusts of Welkin and Windward Pilgrimage 4-cost echo.
• Grants Aero DMG Bonus to the wearer with bonus 10% if worn by Aero Rover.
• Can also be used by Ciaccona as the definitive Aero Erosion enabler.
• Definitive echo set for the Erosion DPS, Cartethyia.
• Seems to provide a small window of time-slowing effect when used, enabling you to deal damage freely.

• Primary Aero Crown of Valor 4-cost echo.
• Can group enemies with its echo skill, great for mobs of enemies.
• Echo Skill is summon-type, so it will not interrupt any combo.

• Provides an unconditional Heavy Attack DMG and Havoc DMG boost.
• Deals additional DMG in multiple instances when Havoc Bane is applied.

• Deals decent Spectro DMG to enemies.
• Part of both Rite of Gilded Revelation and Pact of Neonlight Leap, which are good for Spectro Resonators, both DPS and Sub-DPS, respectively.
• Gives 10% All-Attribute DMG Bonus to Intro Skill of the next Resonator.

• Great for providing passive Glacio DMG Bonus and Coordinated Attack DMG buffs.
• The skill itself deals 270%+ Glacio DMG
• Less useful than Hecate in most situations as not all resonators that deal Coordinated Attacks scale off Glacio DMG Bonus.

• The main echo for the two characters that uses Spectro Frazzle: Zani and Phoebe.
• The better option over Nightmare: Mourning Aix because it can also provide Heavy Attack DMG unconditionally.
• Pretty hard to farm because it's a 3-cost echo.

• Has a great passive for Aero units that scale off Echo Skill DMG.
• Summon-type Echo, so it's easily weaved into combos.
• Deals quick and decent Aero DMG upon casting.

• Deals Spectro DMG to enemies.
• Provides Spectro DMG and Basic Attack DMG just by equipping it as the main Echo.
• Has a unique interaction by having both Twin Nova Echoes.

• Focuses mainly on Sub-DPS in Havoc teams, so it is a bit inflexible.
• The normal variants may be a bit more useful in non-Havoc team situations.
• The skill itself deals 300%+ total Havoc DMG.

• Provides Havoc DMG bonus to resonators.
• Works well with Havoc DPS builds.
• Nightmare variant of Feilian Beringal echo.

• A bit niche to use, since it can only be used by Lupa.
• Only 4-cost in Flaming Clawprint, so it is a bit valuable.
• Effect performs well with Lupa alone, but is a big waste on other units.
• Only farm if you are building Lupa!

• The best echo for those running the new Frosty Resolve sonata effect.
• Deals a lot of damage as an echo.
• Does not need to be summoned to provide echo bonuses.

• Deals decent Glacio DMG to enemies.
• A bit niche with the sets the Echo is available in, but is otherwise versatile on its own.
• Provides a good Glacio DMG buff to the next Resonator, boosting the user's sub-DPS potential.

• Slightly tailor-fitted to Augusta, since it gives both Electro DMG and Heavy Attack DMG Bonus
• The only 4-cost Echo in Crown of Valor, making it a high value option.
• This Echo is a transform-type Echo, so you will be using some time to deal damage with it.
• The stat bonus doesn't require Echo Skill activation, so you automatically get it once equipped.

• A flexible 3-cost Echo available for Electro users that revolve around Unison or Electro Flare.
• Grants an Electro DMG buff to the next Resonator, making it ideal for sub-DPS roles.
• This Echo is a summon-type Echo, so you'll be able to use it anytime before the Outro.

• The only 4-cost Echo in the two Electro Sets: Heart of Sworn Vigil and Flash of Electric Reflection.
• Useful for DPS or sub-DPS Resonators who can utilize Unison or Electro Flare.
• Provides a unique effect for Hsin, dealing damage over a larger area on-field.
• The Electro DMG stat bonus doesn't require Echo Skill activation, so you automatically get it once equipped.

• So far only works as the second 4-cost for the 44111 echo configuration of Cartethyia.
• Buffs are a bit underwhelming, as it buffs both Glacio and Aero DMG Bonuses.
• No sonata effect that benefits Glacio characters despite buffing them.

• Has a great passive for Aero units that scale off Echo Skill DMG.
• Summon-type Echo, so it's easily weaved into combos.
• Deals quick and decent Aero DMG upon casting.

• Deals Fire DMG to enemies.
• Provides Fire DMG buff to the next Resonator.
• Part of the Myriad Snare set effect.

• Deals Havoc DMG to enemies.
• Provides ATK buff to the next resonator.
• Works well with coordinated attack teams.

• Provides significant DMG boost when equpped.
• Works with specific resonator builds.
• Part of the Calamity set effects.

• The best echo for Sub-DPS that does coordinated attack.
• ATK increase for the current resonator as long as the coordinated attacks deal critical hits.
• Echo effect summons blades that also works off-field.

• Deals Havoc DMG to enemies.
• Provides Corrosion effect that reduces enemy DEF.
• Works well with Havoc DPS builds.

• Provides significant Electro DMG bonus.
• Works well with Electro resonators.
• Part of the Sigillum set effects.

• Provides Energy Regen for Electro resonators.
• Works well with Electro characters that use Resonance Liberation.
• Part of the Electro set effects.

• Provides Hydro DMG bonus to resonators.
• Works well with Hydro DPS builds.
• Part of the Threnodian set effects.

• Provides ATK bonus to resonators.
• Works well with physical DPS builds.
• Part of the Fenrico set effects.

• Provides balanced stats for all elements.
• Works well as a general-purpose echo.
• Part of the Jué set effects.

• Provides Geo DMG bonus to resonators.
• Works well with Geo DPS builds.
• Has shield-providing effects.

• Provides Havoc DMG bonus to resonators.
• Works well with Havoc DPS builds.
• Nightmare variant of Adam Smasher echo.

• Provides situational DMG bonus based on encounter conditions.
• Works best in specific team compositions.
• 3-cost echo with limited versatility.

• Provides significant DEF penetration to enemies.
• Works well against high-DEF enemies.
• 4-cost echo with strong defensive penetration.

• Provides Mechanical DMG bonus to resonators.
• Works well with Mech-based resonator builds.
• 4-cost echo with unique mechanical effects.

• Provides Havoc DMG bonus to resonators.
• Works well with Havoc DPS builds.
• 3-cost echo with fast skill charge.