Cyrene — Honkai Star Rail Character Guide

Overview

Capstone support for Chrysos Heirs providing unique curated buffs, True DMG amplification, and teamwide Ultimate activation. Extremely slow ramp-up at E0 outside mono-Remembrance, but elevates invested Chrysos teams to new heights.

HP-scaling Remembrance support who collects Recollection points from ally actions to charge a unique Ultimate system. First Ultimate (24 Recollection) summons memosprite Demiurge, activates all teammates' Ultimates, permanently deploys a True DMG Zone, and unlocks curated Ode buffs for each Chrysos Heir. Subsequent Ultimates cost 12 Recollection and grant Demiurge extra turns to apply additional Ode buffs or deal AoE Ice DMG. Extremely slow ramp-up at E0 outside mono-Remembrance teams.

Key Mechanics

• Demiurge has 0 SPD, does not appear on Action Order, and is considered Out-of-Bounds (cannot be targeted). HP percentage mirrors Cyrene's. While on field, both gain 24% Max HP. After using abilities, all Continuous Effects on Demiurge decrease by 1 turn. On summon, dispels all Crowd Control debuffs from all allies.
• Ode buffs are curated per Chrysos Heir — each receives a unique effect (permanent or one-time). Non-Chrysos Heirs receive a generic 40% DMG buff for 2 turns. Strongest Odes: Mydei (free Godslayer Be God with 200% CRIT DMG), Aglaea (72% DMG + 36% DEF Ignore + 70 Energy), Anaxa (+3 Skill instances + immediate action + 60% Erudition ATK + 40% Skill DMG).
• Recollection generation is fastest in mono-Remembrance teams: each ally action grants 1 Recollection via Future, and each memosprite action also generates 1 via A2. In a team with 3 Remembrance allies, start with 6 Recollection from A4. Without Remembrance allies, ramp-up is extremely slow.
• First Ultimate activates all teammates' Ultimates — this includes special energy systems (Phainon Coreflames, Castorice Newbud, Acheron Slashed Dream, Feixiao Flying Aureus). This single effect can accelerate entire team rotations by a full cycle.
• SPD 180 is the minimum threshold for A6 teamwide 20% DMG buff. SPD 200 enables 3 turns within 150 AV with Vonwacq, maximizing Recollection generation speed. The Ice RES PEN from A6 is primarily relevant at E1+ where personal damage becomes meaningful.

Best Cyrene DPS Pairings

Castorice (S), Kafka (S), March 7th • Evernight (S), Anaxa (S), Black Swan (A), Hysilens (A), Mydei (A), Aglaea (A)

Cyrene Investment Priority

1. E2 — Grants 12 additional Recollection at combat start, fixing the fundamental ramp-up problem. Recommended first target for non-mono-Remembrance teams.
2. LC S1 — Provides critical SPD to reach 180+ breakpoint. Get after E2 solves ramp-up so SPD gains translate into more Ultimates.
3. E1 — Only worthwhile on the way to E2. Adds extra Ultimate charges after first Ult but does not help reach that first Ult.

Cyrene Relics and Stat Targets

Recommended: Sacerdos' Relived Ordeal + Messenger Traversing Hackerspace with Sprightly Vonwacq

Stat targets: SPD 180-200, CRIT Rate ~50%, HP% 5000+

Main stats: Body: HP% > CRIT DMG · Feet: SPD · Sphere: HP% > Ice DMG · Rope: HP%

Best Cyrene Light Cones

• This Love, Forever (Best in Slot): Large SPD increase critical for reaching the 180+ breakpoint. After using Ultimate, increases allies' CRIT DMG by 25.6% and enemies' DMG Taken by 16%. Without this signature, reaching 200 SPD is extremely difficult, making ramp-up slower and A6 trace benefits harder to access.
• Long May Rainbows Adorn the Sky: Strong alternative 5-star. Same SPD tier as signature. Memosprite Skill applies 18% Vulnerability to all enemies for 2 turns, particularly useful in Castorice and Evernight teams. Vulnerability cannot stack from multiple copies equipped on different allies.
• Memory's Curtain Never Falls: Best F2P option from the Herta Store. Provides SPD to approach the 180 threshold and a 16% DMG buff to all allies after using Skill. Caveat: Cyrene cannot reactivate this buff after using her Ultimate, since she switches to Enhanced Basic ATK exclusively.
• Victory In a Blink: Budget 4-star event option. Provides CRIT DMG and a DMG boost after Demiurge buffs an ally. Usable if no 5-star alternatives are available, but the gap to Herta Store LC is significant.

Cyrene FAQ

Who works best with Cyrene in HSR?

Cyrene's best team options include Castorice, Kafka, March 7th • Evernight. StarGuide rates teammates by role and composition fit so the recommendation reflects how the character is actually played.

What relics should Cyrene use?

Cyrene's recommended relic setup is Sacerdos' Relived Ordeal + Messenger Traversing Hackerspace with Sprightly Vonwacq, with stat targets around SPD 180-200, CRIT Rate ~50%, HP% 5000+.

What is the best light cone for Cyrene?

This Love, Forever is the top listed light cone for Cyrene. Large SPD increase critical for reaching the 180+ breakpoint. After using Ultimate, increases allies' CRIT DMG by 25.6% and enemies' DMG Taken by 16%. Without this signature, reaching 200 SPD is extremely difficult, making ramp-up slower and A6 trace benefits harder to access.

How should I invest in Cyrene?

Cyrene's first listed investment priority is E2. Grants 12 additional Recollection at combat start, fixing the fundamental ramp-up problem. Recommended first target for non-mono-Remembrance teams.

Important Notes

• E0 ramp-up is extremely slow outside mono-Remembrance — first Ultimate often arrives too late in fast-paced modes (PF, AS, Arbitration)
• E2 is near-mandatory for non-Remembrance teams — without it, the team may spend an entire cycle at reduced effectiveness
• Requires pre-existing Chrysos Heir investment to justify; she is a capstone support, not a standalone value pickup
• Value is explicitly tied to Chrysos Heirs — longevity uncertain as Amphoreus saga concludes and Trailblazer moves to a new Path
• Unique Odes vary wildly in power — Mydei Ode is outstanding, Tribbie and Cipher Odes are modest
• Several Chrysos Heirs require other specific supports more than Cyrene (Castorice wants Hyacine, Phainon wants Cerydra, Aglaea wants Sunday)