Lucilla, the 5-star Glacio Rectifier Resonator and President of Startorch Academy, arrives in Version 3.4 as one of the most flexible sub-DPS and support units in the game. Her unique dual Resonance Modes let her adapt on the fly: one mode powers up Glacio Chafe teams with massive vulnerability buffs, while the other supercharges Echo Skill damage for quick-swap carries. Whether you run her in premium ice teams or Echo-focused comps, she brings strong personal burst, Concerto efficiency, and team-wide amplification that fits right into the current meta.

This guide covers everything you need for a strong Lucilla build in patch 3.4 - from weapons and echoes to teams, rotations, and more. All recommendations are based on her full kit performance after launch.

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Character Overview and Playstyle

Lucilla excels as a quick-swap sub-DPS who blends support and damage. She builds Trace points through her Basic Attack stage 3, Resonance Skill, and Intro Skill. Once she hits 150 Trace, her Resonance Liberation becomes available and sends her into the Reminiscence state. In this state her attacks change, she spends Photos (generated from Trace) on powerful Oblivion follow-ups, and she finishes with the uninterruptible Letting It Go nuke before swapping out.

Her gameplay revolves around the Focus Ring timing mechanic. Hold her third Basic Attack or Resonance Skill until the ring fills, then release at the perfect moment for extra damage, resource recovery, and mode-specific buffs. This mini-game feels smooth once you get the muscle memory and gives her interrupt immunity on key moves at higher investment.

She has two Resonance Modes that you choose before combat:

  • Glacio Chafe Mode: Boosts Glacio Chafe application and grants the team 60 percent increased Chafe damage taken on her Outro.
  • Echo Mode: Amplifies Echo Skill damage by up to 50 percent (or more with sequences) and treats her first three Oblivion casts as different-named Echo Skills.

Lucilla is not a hyper-carry who stays on field forever. She shines in fast rotation teams where she sets up buffs and bursts before handing off to your main DPS.

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Skill Priority

Upgrade in this order for maximum performance:

  1. Resonance Liberation (top priority - powers her entire burst window)
  2. Forte Circuit (core Trace and Photo management)
  3. Resonance Skill (frequent use and Focus Ring timing)
  4. Basic Attack (stage 3 is key for Trace)
  5. Intro Skill (low priority but still useful for swap-ins)

Unlock her Inherent Skills Slow Motion and Remembrance first for extra QoL and resource gains.

Best Weapons

Signature Weapon: Freeze Frame (5-star)
Base ATK 588, Crit Rate 24.3 percent.
Passive: Increases ATK by 12 percent. Inflicting Glacio Chafe grants the wielder 30 percent Glacio DMG Bonus for 12 seconds and boosts the entire team's ATK by 24 percent for 30 seconds.
This is her BiS by a large margin. It perfectly matches her Chafe application and gives universal team ATK that works in both modes.

Strong Alternatives (in order):

  • Stringmaster (5-star, Yinlin's sig) - Excellent ATK and Resonance Skill DMG stacks. Great for general use.
  • Cosmic Ripples (5-star standard) - Solid Basic Attack DMG and Energy Regen to help with ultimate uptime.
  • Lethean Elegy (5-star, Phrolova's sig) - Strong in Echo Mode with Echo Skill DMG amplification and DEF ignore.
  • Augment (4-star Battle Pass) - Reliable Crit Rate and ATK buff on Liberation.
  • Waltz in Masquerade (4-star craftable) - Easy ATK stacks from negative statuses like Chafe.

Best Echo Sets and Stats

Echo choices depend on your chosen mode.

Glacio Chafe Mode (recommended for most players with Hiyuki teams)

  • Set: Wishes of Quiet Snowfall (full 5-piece)
    • 2-piece: Glacio DMG +10 percent
    • 5-piece: Inflicting Glacio Chafe gives 10 percent Glacio DMG and triggers Snowfall. Liberation DMG grants 25 percent Crit Rate. Outro grants 25 percent Glacio DMG Bonus to the next Resonator.
  • Main Echo (Cost 3): Glommoth - Deals Glacio DMG and passes Glacio DMG Bonus on Outro.

Echo Skill Mode

  • Set: Moonlit Clouds (full 5-piece)
    • 2-piece: Energy Regen +10 percent
    • 5-piece: Outro Skill increases next Resonator's ATK by 22.5 percent for 15 seconds.
  • Main Echo (Cost 4): Impermanence Heron - Strong damage and team-wide damage boost on Outro.

Echo Main Stats

  • Cost 4: Crit Rate or Crit DMG (aim for 1:2 ratio)
  • Cost 3: Glacio DMG Bonus (both slots) or one Glacio DMG and one ATK percent
  • Cost 1: ATK percent (both slots)

Substat Priority
Crit Rate / Crit DMG > ATK percent > Basic Attack DMG (Chafe mode) or Echo Skill DMG (Echo mode) > Energy Regen (if needed for 125-energy ultimate).

Team Compositions

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Premium Glacio Team (highest damage output)

  • Main DPS: Hiyuki
  • Sub-DPS/Support: Lucilla (Glacio Chafe mode)
  • Healer/Debuffer: Chisa

Lucilla applies consistent Chafe, shreds Glacio Resistance, and passes huge vulnerability and DMG buffs to Hiyuki. Chisa adds healing, DEF shred, and extra utility. This is currently one of the strongest ice teams in the game.

Echo Skill Team (flexible quick-swap)

  • Main DPS: Sigrika, Galbrena, or Phrolova
  • Sub-DPS/Support: Lucilla (Echo mode)
  • Healer/Support: Shorekeeper or Verina

Lucilla acts like a budget Qiuyuan here, providing multiple named Echo Skills and big amplification to your carry.

Budget / F2P-friendly Team

  • Lucilla (main or sub)
  • Qiuyuan or Sanhua
  • Shorekeeper or Verina

Works well until you pull dedicated carries. Lucilla can even function as a main DPS at S3 or higher, though she prefers the sub role at C0.

Sample Rotation (Glacio Chafe Mode)

  1. Swap in with Intro Skill (Clip It) for instant 100 Trace and Chafe application.
  2. Hold Resonance Skill and release at Perfect Focus for Trace and shred.
  3. Perform third Basic Attack with Perfect Focus timing to finish building Trace/Photos.
  4. Cast Resonance Liberation to enter Reminiscence.
  5. Spam enhanced Basic Attacks, spending Photos on Oblivion bursts.
  6. Finish with Letting It Go nuke, then Outro swap to your main DPS for full buffs.

The whole sequence takes about 10-12 seconds and flows smoothly thanks to her interrupt immunity on the nuke. Practice the Focus Ring timing in the training room - it becomes second nature quickly.

Ascension and Forte Materials

Total for Level 90 + Max Forte (approximate):

  • Shell Credits: around 2.2 million
  • Suncoveter's Reach x46
  • Forget-Me-Not x60
  • We Who Question x26
  • Mech Cores (various tiers)
  • Spliced String materials for skills

Farm the new Hyvatia region bosses early. Her materials overlap nicely with other recent Glacio units.

Resonance Chains (Sequences) - Quick Verdict

  • S1: Auto Perfect Focus once per cycle plus Crit Rate and immunity. Huge QoL.
  • S2: Doubles her Outro buffs (120 percent Chafe vulnerability or 80 percent Echo amp). Massive support spike - best stopping point for most players.
  • S3-S5: Solid personal damage increases.
  • S6: Whale-level nuke and energy refund. Overkill for most content.

C0 Lucilla is already very strong and competitive. S2 makes her one of the best value supports in the patch.

Final Thoughts - Is Lucilla Worth Pulling?

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Yes. If you have Hiyuki or any strong Echo Skill DPS, Lucilla is a high-priority pull that instantly upgrades your account. Her dual-mode flexibility means she will stay relevant for future content, and her photography-themed exploration skill (Quick Glance) is a nice bonus outside of combat.

She rewards precise play but forgives minor timing mistakes thanks to her strong base multipliers. Build her once and she will carry you through both Glacio and Echo archetypes for a long time.

Pull for her in Phase 2 of 3.4 (banner starts around June 13) if you want one of the strongest and most fun sub-DPS options in the current version. Enjoy the dream not dreamed, Rovers!