Theorylytics

Lucia vs Soukaku

Lucia vs Soukaku — two Support agents competing for the same roster slot.

TL;DR — Quick Pick

Pick Lucia if…

  • You need a Ether Support agent and Lucia's kit matches your account gap.
  • You prefer Support gameplay over Soukaku's Support identity.
  • Lucia is a transformative Support unit whose ability to scale off Max HP while providing massive damage buffs and team sustainability makes her essential for top-tier Ether compositions.

Pick Soukaku if…

  • You need a Ice Support agent and Soukaku's kit matches your account gap.
  • You prefer Support gameplay over Lucia's Support identity.
  • Soukaku is a foundational support for Ice teams, providing critical team-wide ATK and Ice DMG buffs.
Verdict

Lucia and Soukaku are both Support investments that answer different account needs. Lucia (Ether, Support) shines when Lucia is a transformative Support unit whose ability to scale off Max HP while providing massive damage buffs and team sustainability makes her essential for top-tier Ether compositions. Soukaku (Ice, Support) is the better commit when Soukaku is a foundational support for Ice teams, providing critical team-wide ATK and Ice DMG buffs. Compare signature builds, team requirements, and your existing supports before pulling either.

At a Glance

Lucia
Stat
Soukaku
Ether
Attribute
Ice
Support
Specialty
Support
S-RankWinner
Rank
A-Rank
Support
Primary role
Support
Buffs / Utility
Damage type
Buffs / Utility
CRIT Rate
Scaling focus
CRIT Rate
Support + Ether
Playstyle clarity
Ice Support + ATK Buffer
Strong
Self-sustain
Strong
Focused
Team flexibility
Focused
Dialyn / Ju Fufu
Best support shell
Yuzuha / Lycaon / Nangong Yu
Kaboom the Cannon(S5) — A-rank · Accessible
F2P W-Engine path
Slice of Time — A-rank · AccessibleWinner
Excellent
M0 viability
Excellent

Strengths & Weaknesses

Lucia

Strengths
  • Provides massive Sheer Force increases based on her initial Max HP
  • Extends duration of powerful team-wide buffs like Ether Veil via active combat
  • Grants team-wide survivability through Max HP percentage increases
Weaknesses
  • Requires careful management of Dream Points to maintain the Dream state
  • Aftershock mechanics have a fixed internal cooldown
  • Highly dependent on reaching specific Max HP thresholds for maximum output

Soukaku

Strengths
  • High team-wide ATK buff potential
  • Strong Ice DMG synergy with passive abilities
  • Efficient Energy recovery for the team
Weaknesses
  • Buff uptime requires precise rotation management
  • Requires EX Special usage to build Vortex stacks
  • Limited effectiveness outside of Ice-focused teams

Best Builds (Signature)

Lucia

W-Engine

Dreamlit Hearth(S1)

Disk Set

Moonlight Lullaby(4-PC)

Disk 4

HP%

Disk 5

HP%

Disk 6

HP%

Substats

CRIT Rate >= CRIT DMG = ATK%

Soukaku

W-Engine

Bashful Demon

Disk Set

Freedom Blues

Disk 4

ATK% > CRIT Rate%

Disk 5

ATK% > Ice DMG%

Disk 6

Energy Regen = ATK%

Substats

CRIT Rate >= CRIT DMG = ATK%

Who Should You Pull?

Lucia
Pull Lucia if…
  • You need a Ether Support agent and Lucia's kit matches your account gap.
  • You prefer Support gameplay over Soukaku's Support identity.
  • Lucia is a transformative Support unit whose ability to scale off Max HP while providing massive damage buffs and team sustainability makes her essential for top-tier Ether compositions.
  • Her unique Dream state mechanics allow for consistent uptime on critical combat buffs, ensuring your team remains dominant in extended encounters.
  • Lucia is a stronger general pull priority (YES) for your roster.
Lucia Full Guide
Soukaku
Pull Soukaku if…
  • You need a Ice Support agent and Soukaku's kit matches your account gap.
  • You prefer Support gameplay over Lucia's Support identity.
  • Soukaku is a foundational support for Ice teams, providing critical team-wide ATK and Ice DMG buffs.
  • Her ability to transition into these buffs through her flag mechanic makes her essential for optimizing damage output in high-tier content.
  • Soukaku is a stronger general pull priority (YES) for your roster.
Soukaku Full Guide