How To Build Cerydra in Honkai Star Rail

By Ambar Jimenez | 2025-11-27 21:34:05
Cerydra stands out in Honkai Star Rail as a premier Harmony character, specializing in empowering allies who rely on their Skill to unleash massive damage. This comprehensive guide will walk you through optimizing her potential with the best Light Cones, Relics, stat priorities, and Eidolon breakdowns to make her an indispensable asset to your team.

Why Build Cerydra? Understanding Her Role

Cerydra excels as a dedicated support buffer, whose kit revolves around amplifying a single ally's offensive power. She is the ideal partner for Skill-focused DPS characters, significantly boosting their damage output through potent ATK and DMG buffs. Building her correctly ensures your main damage dealer reaches their maximum potential.

Best Light Cones for Cerydra

Choosing the right Light Cone is crucial for enhancing Cerydra's supportive capabilities.
  • Best-in-Slot: Epoch Etched in Golden Blood
    This 5-star signature Light Cone is perfectly tailored for Cerydra. It provides a substantial ATK boost for herself, which directly scales her buffs, and offers an additional, powerful Skill DMG multiplier for her designated ally. It is the definitive choice for maximizing her support value.
  • Top Alternative: Flowing Nightglow
    A formidable alternative, this Light Cone allows Cerydra to quickly stack its "Cantillation" effect as her team attacks. This grants her bonus Energy Regeneration Rate while simultaneously providing the entire team with an ATK% and DMG buff, making it a versatile and powerful option.
  • Excellent F2P & 4-Star Options:
    • The Forever Victual: This 4-star Light Cone is an outstanding free-to-play choice, granting an "insane amount of ATK%" that perfectly complements the scaling of her kit.
    • Carve the Moon, Weave the Clouds: A battle-pass staple, this Light Cone offers valuable randomness by providing a rotating buff to the team's ATK%, CRIT DMG, or Energy Regeneration Rate. It's a universally strong pick, especially when it lands on the ATK or CRIT DMG buffs.

Optimal Relic Sets and Planar Ornaments

Your Relic choices should focus on making Cerydra faster and more efficient at generating Energy for her Ultimate.Best Relic Sets:
  • Sacerdos' Relived Ordeal (4-Piece): This set is Cerydra's best-in-slot. The 2-piece effect provides a valuable SPD boost, while the 4-piece effect allows her to grant a significant CRIT DMG buff to an ally, adding another layer of powerful offensive support.
  • Eagle of Twilight Line (4-Piece): A strong alternative, this set advances Cerydra's action forward by 25% after she uses her Ultimate. This allows her to cycle through her turns faster, generating more Skill Points and applying her buffs more frequently.

  • Best Planar Ornaments:

  • Lushaka, the Sunken Seas: This set increases Cerydra's Energy Regeneration Rate, ensuring herUltimate is available as often as possible. It also provides a 12% ATKboost to the ally in the first team slot, perfect for your main DPS.
  • Penacony, Land of the Dreams: This offers the same essential Energy Regeneration Rate bonus but ismore niche. It provides a DMG boost specifically for Wind allies, making it the optimal choice only when Cerydra is supporting another Wind DPScharacter.
  • Stat Priority: What to Look For

    • Main Stats:

      • Body: ATK%
      • Feet: SPD
      • Planar Sphere: ATK%
      • Link Rope: Energy Regeneration Rate
    • Substats:

      • SPD (Highest Priority)
      • ATK%
      • Effect RES & HP/DEF (for survivability)

    Cerydra Eidolon Breakdown

    Unlocking Eidolons significantly enhances Cerydra's performance. Here are the key breakpoints:

    • Eidolon 1 (Seize the Crowns of All): A high-priority Eidolon. It grants the buffed ally DEF Ignore, a supremely powerfuloffensive stat. The additional Energy regeneration also improves teamrotation fluidity.
    • Eidolon 2 (Forge the Dreams of Many): Provides a massive 40% DMG increase to the buffed ally and a large personal DMG boost for Cerydra, representing a high power spike.
    • Eidolon 4 (Remake the Realms of Men): Directly increases the multiplier of her Ultimate's damage, offering another high value upgrade.
    • Eidolon 6 (A Journey Set Starward): The ultimate power spike and a top priority. It grants All-Type RES PEN to both the buffed ally and Cerydra herself, drastically increasing the team's overall damage output against allenemies.

    Byfollowing this guide, you can transform Cerydra into a masterful buffer, capable of elevating your favorite Skill-based DPS units to new heights of destructive power in Honkai Star Rail.

    Tags: turn-based RPG, space fantasy, gacha game, character collection, light cone, warp, exploration, combat system, elemental
    Platform(s): PlayStation 4 PS4, PlayStation 5 PS5, Android, iOS, Microsoft Windows PC
    Genre(s): Role-playing
    Developer(s): HoYoverse
    Publisher(s): HoYoverse
    Engine: Unity
    Release date: April 26, 2023
    Mode: Single-player
    Age rating (PEGI): 12+
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