Optimizing Cyrene’s Squad Formations in Honkai: Star Rail (Version 3.6 & Beyond)

Cyrene’s Optimal Squad Builds: Deep Dive into Honkai: Star Rail Version 3.6+ Endgame

Following the debut of Version 3.6 in Honkai: Star Rail, the Ice-aligned character Cyrene became available to players, joining the roster under the Path of Remembrance. While her initial reception generated considerable excitement due to her distinctive mechanical toolkit, achieving Cyrene’s peak performance often necessitates specific Eidolon investments, most notably her E2. This guide will dissect her current standing in the meta, explore effective team configurations, and provide strategic recommendations for all Trailblazers—whether casual or heavily invested—aiming to conquer the game’s most formidable challenges with her.

Cyrene’s Role in High-Level Content: An Analysis

Cyrene contributes powerful supportive capabilities and synergistic benefits, yet her true strength predominantly manifests within compositions centered around Chrysos Heir or Remembrance characters. Crucially, without her E2, the frequency of her Ultimate ability is considerably hampered, restricting her capacity to fundamentally alter the meta when contrasted with other well-established support characters. When tackling challenges like Memory of Chaos and the Simulated Universe, she functions as a specialized option, viable mainly if you are specifically constructing a team around Remembrance resonance or are prepared to acquire her essential constellations.

Version: 3.6 (released 2025-10-xx, universal server time UTC+8)
Associated Path: Remembrance (enhances Ice/Crowd Control focused teams)
Primary Constraint: Her complete effectiveness is unlocked at Eidolon 2
Optimal Application: Excels in boosted Remembrance/Chrysos Heir arrangements; less effective in standard team compositions
Overall Impact: Offers significant potential but highly specialized—generalist alternatives like Bronya or Huohuo typically surpass her versatility

Cyrene’s Current Meta Standing: Quick Overview

Release Window: Introduced in Phase 2 of Version 3.6 (view the most recent banner rotations on GenshinBuilds)
Ideal Companions: Castorice, Hyacine, Evernight, Aglaea, Sunday, Dan Heng • Imbibitor Lunae (PT), Phainon, Cerydra
Primary Function: Acts as a support and facilitator for Remembrance/Chrysos Heir based teams
Significant Drawback: Her peak performance is contingent on E2; her utility as a supporter diminishes quickly at E0

Cyrene’s Event Banner Details

Phase	Commencement (UTC+8)	Conclusion (UTC+8)	Highlighted Characters
Phase 2	2025-10-xx	2025-10-xx	Cyrene, Evernight, [other characters unconfirmed]

Important: Specific banner details and precise dates for characters beyond Cyrene's confirmed debut phase were not disclosed in official announcements.

Team Formations & Synergies: Top Cyrene Compositions for Version 3.6+

Cyrene + Castorice + Hyacine + Evernight (Accessible & Maximized Remembrance Core)

Advantages: – Fully leverages Remembrance abilities and exclusive team-wide enhancements- Castorice gains from increased Memosprite HP scaling, vital for effective Ultimate rotations- Evernight receives continuous DMG/Crit DMG bonuses; Hyacine provides additional support and applies debuffs

Execution Strategy: Players should strategically apply Cyrene’s unique buffs among Castorice (enabling Newbud > Netherwing damage output), Evernight (Critical Damage increase), and Hyacine as circumstances dictate. The extended duration of these enhancements is contingent on the Remembrance/Chrysos Heir affiliation.

Cyrene + Aglaea + Sunday + Dan Heng • Imbibitor Lunae (PT) (High-Paced Aggression)

Synergy Emphasis:– The pairing of Aglaea and Sunday generates an exceptionally fast SPD/Action Value engine. In this setup, Cyrene’s Ultimate charges more slowly but contributes significant burst damage and utility during her initial turn.- Dan Heng PT delivers both focused single-target damage and protective shields; Sunday ensures continuous advancement of action bars.- Cyrene’s Ultimate should be directed towards Aglaea and Dan Heng PT to achieve a potent, temporary surge in damage, subsequently shifting focus back to Aglaea for ongoing offensive pressure.

Meta Constraint:– Without an external energy provider (such as Huohuo), energy regeneration can become problematic. This might necessitate Aglaea at E1 or considerable Speed stacking on both Aglaea and Sunday. Optimizing turn rotations is critical for maintaining maximum ability uptime in this composition.

E2 Cyrene + Phainon + Cerydra + Dan Heng PT (Premier Boss Encounter Configuration)

Significant Investment Required:– Cyrene at E2 elevates Phainon into a formidable, sustained threat against bosses by rapidly accumulating Recollection stacks. An E0 Cyrene, conversely, severely hinders Phainon’s boss-phase effectiveness and cannot compete in high-speed clears or challenging floor attempts.- The activation of E2 allows this team to forgo dedicated action advance supports (like Bronya), instead leveraging Cerydra for continuous Meteor double attacks and Dan Heng PT for damage linked to Souldragon.- Optional Swaps: Mydei can substitute Phainon if she is already developed, or Dan Heng PT might be exchanged for Hyacine on specific battlefields.

Eidolon Assessment: Justifying the Investment in E2 Cyrene

Cyrene at E0: Serves a niche purpose. Generally surpassed by other supports unless exclusively paired with a strong core of Remembrance characters.
Cyrene at E2: Achieves S-tier status for teams featuring Phainon or Chrysos Heir units. This Eidolon removes the initial delay in accumulating Recollection stacks, becoming almost indispensable for achieving top-tier performance in the current meta.
Recommendation: For free-to-play players and those with limited budgets, pursuing E2 is generally not advised unless you commit to building a complete Remembrance-focused ensemble. Dedicated theorycrafters or primary Phainon users might find E2 a worthwhile acquisition.
Future Implication: There’s a potential risk that if subsequent Remembrance characters do not demand this particular supportive capability, the long-term utility of E2 could significantly decrease. Consider this against your overall character acquisition strategy.

Relic & Light Cone Compatibility: Key Stat Focus

Critical statistics for Cyrene include: HP% (to enhance Memosprite scaling and bolster survivability), Effect RES (crucial for preserving buffs in Memory of Chaos), and Energy Regeneration Rate (if secondary stats permit; otherwise supplemented by allied energy providers).Regarding Light Cones, focus on those that augment team-wide support or increase Health/Energy to facilitate frequent Ultimate usage.

Readiness Overview

Acquire the Remembrance/Snow Plains relic sets to maximize their full effects.
Accumulate all necessary character and ascension resources for Cyrene (refer to the GenshinBuilds materials tracker).
Should you aim for E2, plan your Stellar Jade expenditure carefully, as concurrent banners could make it challenging for free-to-play accounts.

Future Projections & Speculations

Please note, this is speculative and may change: Rumors indicate that upcoming Remembrance supports might alleviate Cyrene’s primary constraints. Additionally, celebratory events like the Lantern Festival or anniversary reruns could potentially feature boosted drop rates for Cyrene and her synergistic allies.
Exact drop rates and future banner rerun dates: "Information not yet provided in official announcements."

Concluding Thoughts & Outlook

Cyrene emerges as a distinctly specialized, yet potent, support character—provided there’s a commitment to building around the Remembrance/Chrysos Heir theme. For the majority of players, her utility remains contextual and largely dependent on possessing her E2. Successful Memory of Chaos completions typically still lean towards versatile buffers, unless one can construct her absolute strongest team. Keep an eye on future balance adjustments in patch notes and character rerun calendars to see if HoYoverse intends to broaden Cyrene’s current narrow role or continue to reward highly specialized team compositions.

Further Reading: For up-to-date banner rotations, optimal relic acquisition guides, and comprehensive team breakdowns, explore the Honkai: Star Rail section on GenshinBuilds.