• 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 best Rejuvenating Glow echo for the best HP-scaling supports in the game.
• Works with Shorekeeper, the best healer in the game right now.

• 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.

• Extremely effective attacker when summoned in battle.
• ATK is increased for 15s after skill activation
• The skill deals up to 270% damage.

• 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.
• If Resonance Skill scales, use Tempest Mephis.

• One of the two best echo for Electro DPS.
• If Resonance Liberation scales, use Thundering Mephis.

• Primary Gusts of Welkin and Windward Pilgrimage 4-cost echo.
• Grants Aero DMG Bonus with bonus 10% for Aero Rover.
• Small time-slowing effect when used.

• Primary Aero Crown of Valor 4-cost echo.
• Can group enemies, great for mobs.
• Won't interrupt any combo.

• Deals decent Spectro DMG to enemies.
• Part of both Rite of Gilded Revelation and Pact of Neonlight Leap.

• Great for providing passive Glacio DMG Bonus and Coordinated Attack DMG buffs.
• Less useful than Hecate in most situations.

• Main echo for characters using Spectro Frazzle.
• Provides Heavy Attack DMG unconditionally.

• Great passive for Aero units that scale off Echo Skill DMG.
• Deals quick and decent Aero DMG upon casting.

• Deals Spectro DMG to enemies.
• Provides Spectro DMG and Basic Attack DMG by equipping it.

• Focuses mainly on Sub-DPS in Havoc teams, so it is a bit inflexible.
• Deals 300%+ total Havoc DMG.

• Best echo for new Frosty Resolve sonata effect.
• Deals a lot of damage and provides echo bonuses without being summoned.

• Tailor-fitted to Augusta with both Electro DMG and Heavy Attack DMG Bonus.
• The only 4-cost Echo in Crown of Valor.

• Niche use as it can only be used by Lupa.
• Valuable because it is a 4-cost in Flaming Clawprint.

• So far only works as the second 4-cost for Cartethyia.
• Buffs are underwhelming, no sonata effect that benefits Glacio characters.

• Offers decent utility but lacks focus.
• Effective in specific team setups.

• Provides powerful attacks but is hard to integrate into most setups.
• Requires careful timing for effective use.

• A solid all-around echo, useful in a variety of team compositions.
• Focuses on synergy more than individual damage output.