Cerydra Skills, Traces & Eidolons

Honkai: Star Rail
Last Updated: on Jul 02, 2025 at 10:00
Build GuideSOON Character Profile

Introductions

Cerydra is a 5★ character with the Wind element who follows the Path of Harmony.
The Northern Empire, a lost dynasty, where frozen lands burn with ambitions of conquest.
Sovereign Cerydra, Chrysos Heir who wields the Coreflame of "Law," you shall set your pieces, challenge the gods, pass judgment upon the faithless, and carve the path of Flame-Chase into the fate of this world.

"This is no end. The path of Amphoreus shall blaze across the stars!"

Skills

Basic ATK
Maneuver: Expeditious Relocation
Single Target
Lv. 6
Energy gain: 20
Break: Main: 10.0
Deals Wind DMG equal to 100% of Cerydra's ATK to one designated enemy target.
Skill
Ascend: From Pawn to Queen
Enhance
Lv. 10
Energy gain: 30
Grants "Military Merit" to one designated ally character and give Cerydra 1 points of Charge. Maximum Charge is 8 points. When Charge reaches 6 points, "Military Merit" upgrades to "Nobility" and dispels their Crowd Control debuff. Characters with "Nobility" gain 72.0% CRIT DMG boost for Skill DMG, and trigger a Coup de Main when using their Skill on enemies. After Coup de Main ends, consumes 6 points of Charge to revert "Nobility" back to "Military Merit."
Ultimate
All is Chess, Checkmate in Four
AoE | 130 energy cost
Lv. 10
Energy gain: 5
Break: Adjacent: 20.0
Gains 2 Charge. Deals Wind DMG equal to 240.0% of Cerydra's ATK to all enemies. If there are no characters with "Military Merit" on the field, prioritizes granting "Military Merit" to the character in position 1 in the team lineup.
Talent
Glory to the Imperator
Enhance
Lv. 10
Energy gain: -
Characters with "Military Merit" gain increased ATK equal to 24.0% of Cerydra's ATK. When the character uses Basic ATK or Skill, Cerydra gains 1 Charge. Charge cannot be gained while Coup de Main is in effect. "Military Merit" only takes effect the most recently affected target. When the target changes, Cerydra's Charge is reset to 0.
Technique
First-Move Advantage
Support
Energy gain: -
After using Technique, gains "Military Merit." When switching active characters, "Military Merit" transfers to the current active character. At the start of the next battle, the Skill will automatically be used on the character holding "Military Merit" once without consuming any Skill Points.

Major Traces

Seeker
A2
Major trace
When Cerydra's ATK is greater than 2000, for every 100 ATK exceeded, increases this unit's CRIT DMG by 18.0%, up to a maximum of 360.0%.
Observer
A4
Major trace
Increases Cerydra's CRIT Rate by 100%. When Cerydra's Charge is less than maximum, when a character with "Military Merit" uses their Ultimate for the first time, Cerydra gains 1 point(s) of Charge. This effect can only be triggered once per battle.
Conqueror
A6
Major trace
When using a Skill, increases the SPD of this unit and teammates with "Military Merit" by 20 for 3 turn(s). When a character with "Military Merit" uses Basic ATK or Skill, Cerydra regenerates 5 Energy.

Minor Traces

Wind DMG Boost
+22.4%
ATK
+18.0%
HP
+10.0%

Eidolons

E1
Crown of Absolute Claim
Eidolon 1
Characters with "Military Merit" ignore 15.0% of target's DEF when dealing DMG. While in "Nobility" state, additionally ignores 18.0% of target's DEF when dealing Skill DMG.
E2
Aspiration of the Collective
Eidolon 2
Characters with "Military Merit" deal 40.0% more DMG. When there are teammates with "Military Merit" on the field, increases Cerydra's DMG by 160.0%.
E3
Burning of the Ancient Laws
Eidolon 3
Skill Lv. +2, up to a maximum of Lv. 15.
Basic ATK Lv. +1, up to a maximum of Lv. 10.
E4
The Realms Reforged
Eidolon 4
Increases Ultimate DMG multiplier by 240.0%.
E5
A Reckoning of Deeds
Eidolon 5
Ultimate Lv. +2, up to a maximum of Lv. 15.
Talent Lv. +2, up to a maximum of Lv. 15.
E6
Fate in the Sea of Stars
Eidolon 6
Characters with "Military Merit" gain 20.0% All-Type RES PEN, Cerydra deals an additional instance of Wind Additional DMG equal to 360.0% of her ATK after they use an attack. This effect can be triggered up to 20 time(s). The trigger count resets whenever Cerydra uses her Ultimate. When an ally with "Military Merit" is present, Cerydra gains 20.0% All-Type RES PEN.

Stats and Ascension Materials

Lv. 1
Base Stats
HP
185
ATK
84
DEF
66
SPD
99
Ascension Materials
Credits
308000
Ethereal Omen
15
Echoing Wail
15
Bud of Twilight
65
Eternal Lament
15

Cerydra Voice Actors

EN
TBC
JP
Takao Kanon
CN
Shi Xinlei
KR
Kim Yun-chae
Shikhu
Staff Author
Follow Shikhu

This guide has been written by Shikhu (Discord - Shikhu). A long-time Honkai Star Rail player since launch experiencing everything the game has to offer from building his favourite characters to clearing MoC, PF and AS on the regular.

1.

Changelog

  • 02 Jul. 2025: Page and Skills for Cerydra added.
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