Honkai: Star Rail Cyrene Build: 180 vs 200 SPD, Relics and Teams

Build Cyrene to reach her first Ultimate at the moment your Memory carry needs it. Start with 180 SPD plus Sprightly Vonwacq when your Relics are limited; move toward 200 SPD only if the extra speed actually removes an action from the first cycle. Her best build is therefore a timing problem, not a universal number.

Cyrene Build at a Glance

CyreneIce · Remembrance

This Love, Foreversignature Light Cone

Sprightly Vonwacq180-SPD opener

Cyrene close-up from the official Honkai Star Rail character trailer

Cyrene in her official character trailer. official Honkai: Star Rail Cyrene trailer.

Role	Ice Remembrance support and personal damage contributor
First build target	180 SPD with Sprightly Vonwacq
High-investment target	200 SPD when it changes the rotation
Body / Boots	CRIT DMG or HP / SPD
Sphere / Rope	HP or Ice DMG / HP
Substats	SPD to the chosen breakpoint, then HP, CRIT DMG and Effect RES

Cyrene's Ultimate uses Recollection rather than ordinary Energy, so an Energy Regeneration Rate rope is not the automatic answer. Her opening is shaped by SPD, action advance, ally and memosprite actions, and the team that feeds Recollection. That is why copying a 200-SPD screenshot can make your build weaker without making the Ultimate earlier.

180 SPD plus Vonwacq or 200 SPD?

Setup	What it buys	Cost	Use it when
180 SPD + Vonwacq	Reliable opening action advance with realistic substats	Locks the Planar set	E0 accounts and ordinary endgame clears
200 SPD	More raw actions and faster Recollection building	Very demanding SPD rolls; may lose HP and CRIT	The log proves one fewer action before Ultimate
Balanced Memory build	More HP and personal contribution	Needs team-specific speed tuning	Your carry already supplies enough actions

The four-line timing test

Use the same team, enemy and technique setup for both builds.
Record how many Cyrene, ally and memosprite actions occur before the first Ultimate.
Record Recollection immediately before the Ultimate and note whether one more action was still required.
Keep 200 SPD only when it changes the first-Ultimate turn or creates a valuable extra action before the cycle ends.

This test is the guide’s main decision tool. A 200-SPD build that reaches the Ultimate at the same point as 180 SPD is mostly paying for a prettier stat sheet. Put those rolls back into HP, CRIT DMG or Effect RES and compare the complete team result.

Best Relics, Planar Ornaments and Main Stats

World-Remaking Deliverer is the premium four-piece direction when you can preserve the required speed. If the set breaks your breakpoint, use two SPD two-piece sets while you farm. The practical rule is to solve the opener first and chase set bonuses second.

Slot	Default	Change when
Body	CRIT DMG	Use HP if high-speed pieces make Cyrene too fragile.
Boots	SPD	Do not replace unless the team supplies a working breakpoint.
Sphere	HP	Compare Ice DMG only after survival and timing are stable.
Rope	HP	ERR is not a default because her Ultimate is not Energy-based.

Light Cones and Investment Order

This Love, Forever is her signature and the easiest route to the high-speed build. Memory's Curtain Never Falls is the strong accessible alternative when it lets the team keep the same Ultimate timing. Judge every Light Cone by two questions: does it change the first Ultimate, and does its team benefit land during the carry's main damage window?

Level Cyrene and the Light Cone.
Unlock the core Traces tied to the field, Demiurge and Recollection.
Reach the chosen SPD breakpoint with functional HP.
Improve CRIT DMG and Effect RES only after the opener is repeatable.

Best Cyrene Teams

Cyrene and her Memory-focused combat presentation in the official character trailer. Honkai: Star Rail Cyrene character trailer.

Core	Why it works	Account check
CastoriceEvernightHyacineCyrene	Multiple Memory units and memosprite actions feed Cyrene's intended engine.	Highest priority when these pieces are already built.
PhainonCyrene	Can compress a high-investment rotation and exploit very fast Cyrene turns.	Do not copy whale speed tuning into E0 gear.
Cyreneflex carry	Still gains field and action support.	Compare one full cycle against a universal Harmony support; synergy is lower.

Common Cyrene Build Mistakes

Using an ERR rope because other supports do.
Forcing 200 SPD without logging the first Ultimate.
Dropping so much HP that Cyrene cannot survive the content she is meant to support.
Pulling an Eidolon or signature before the Memory carry and sustain slots are complete.

Account Scenarios: Where Cyrene Changes Value

Account	Recommended build path	Pull/investment stop
Complete Castorice Memory core	Start 180 Vonwacq, then test 200 SPD with the same carry window.	E0 plus a working Light Cone before luxury Eidolons.
One Memory carry, no premium sustain	Keep HP and Effect RES; do not make the speed target unsafe.	Finish the sustain slot before chasing 200 SPD.
No Memory carry	Use trial content to compare Cyrene with a universal support over one full cycle.	Skip if the replacement reduces total team damage or comfort.
High-investment speed gear	Test 200+ SPD with Deliverer and record action value.	Stop when another SPD roll no longer changes a turn.

These scenarios explain why Cyrene ratings differ across accounts. Her ceiling is tied to the Memory engine, but the marginal value of the next SPD roll depends on the exact number of allied actions before Demiurge opens. Use a combat log rather than a single community screenshot.

Need One More Pull for Your Cyrene Plan?

Compare available Oneiric Shard options only after you have fixed the team and pull budget.

View HSR Top-Up Options

Continue Your HSR Account Plan

Character List and Build IndexCompare Cyrene's role with the rest of your roster.Build and Pull Value GuideDecide whether the next upgrade belongs on Cyrene or the carry.

Conclusion

The best Cyrene build is the least expensive setup that opens her Ultimate on time. Start at 180 SPD plus Vonwacq, run the four-line timing test, and move to 200 SPD only when the combat log—not the character sheet—shows a real gain.