Robin • Summeretto | Honkai: Star Rail

Overview

Robin • Summeretto is a powerful universal support / sub-DPS who ramps through Vibes and enters Fever to provide strong teamwide amplification. She works especially well with teams that attack, heal, or shield frequently.

Role

Support / Sub-DPS

Playstyle

Summon her Songbirds and generate Vibes through frequent ally actions. Once all three Songbirds appear, Robin enters Fever, where her buffs and personal damage become much stronger.

Why It Works

Vibes scale several parts of Robin's kit at once, including her Fever Zone and ally buffs. Fast, high-frequency teams naturally maintain higher Vibes and keep her strongest effects active longer.

Watch For

Keep generating Vibes during Fever, since the countdown periodically consumes them. Low Vibes weaken her buffs and can eventually end Fever entirely.

Playstyle

Combat Flow

Summon Songbirds → build Vibes → enter Fever → maintain Vibes → Ultimate key ally → repeat.

Key Notes

She provides DEF Ignore, Vulnerability, adaptive ATK or CRIT DMG buffs, personal AoE damage, Energy restoration, and a targeted 100% Action Advance.
Aim around 160+ SPD, stack HP for stronger buffs, and use an ERR Rope. CRIT becomes secondary unless you're specifically investing into her personal damage.

Build & Investment

Light Cones

Primary

Rise and Sing

Signature HP, Skill Point, action advance, and team speed package.

Alternative

This Love, Forever

Provides SPD and team CRIT DMG when Songbirds attack. Their enemy-targeted Skill cannot activate the ally-targeted Blank effect or its vulnerability bonus.

Alternative

The Story's Next Page

If already owned, its Max HP helps Robin’s HP-based ATK support. It is a gacha Light Cone; the outgoing-healing effect does not provide a team heal.

Relics

Primary

World-Remaking Deliverer

Purpose-built HP and team damage set while her memosprite is active.

Alternative

Hero of Triumphant Song

Remembrance alternative when its speed and summon bonuses have stronger substats.

Planars

Primary

Amphoreus, The Eternal Land

Memosprite-active team speed and personal CRIT support.

Alternative

Lushaka, the Sunken Seas

Energy and first-slot ATK support when the team plan values it.

Main Stats

Body

HP%
AlternativeCRIT DMG

Default scaling for supportive value and durability.

Personal damage alternative after HP needs.

Feet

SPD

Core for setup and Vibes cadence.

Sphere

HP%

Default supportive sphere.

Rope

Energy Regeneration Rate

Preferred for Fever cadence.

Recommended Substats

SPD
HP%
CRIT Rate
CRIT DMG

Tune SPD for setup and Songbirds, then HP for her scaling and adaptive ATK buff. Count Rebuilt Harmony's50% CRIT Rate before taking CRIT rolls. In ATK-carry teams, HP and SPD usually matter more than her personal CRIT balance.

Eidolon Investment

E0 supplies adaptive buffs, Fever and targeted action support. E1 turns the team's non-True damage into a Songbirds damage tally; E2 adds resistance penetration and raises the Vibes cap and gain.

Rise and Sing adds HP, an opening advance and temporary team SPD. It recovers a Skill Point after each Ultimate, but its New Melody SPD buff is granted on combat entry rather than refreshed by every Ultimate.

Songbirds tally allied non-True damage and add Vibes-scaled True damage to the highest-HP enemy on Memosprite Skill, then retain half the tally.

Adds 18% team All-Type RES PEN, raises maximum Vibes by 20 and grants extra Vibes on the first qualifying ally ability each turn.

Teams

Recommended Teammates

Memosprite action core

Cyrene and Evernight supply frequent Remembrance actions while Hyacine sustains and adds another memosprite.

Robin • SummerettoCore character
Cyrene
Evernight
Hyacine

Best Robin • Summeretto Teams

28,600 observed teams15 recent contexts

Most Played With

Most Played Teams

#117.0%4,869 teams
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#37.0%1,992 teams
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- Welt
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Explore full Team Comp Finder

Skills

Basic ATK

The Sea Sings in My Key

Single AttackLv. 6

Deals Wind DMG equal to 50% of Robin • Summeretto's Max HP to one enemy.

Lv. 6

Skill

Summer Strums the Soul

SummonLv. 10

Summons the memosprite "Summer Songbirds" Bessie. If any member of the "Summer Songbirds" is already on the field, restores their HP by an amount equal to 100% of "Summer Songbirds'" Max HP, and gains 6 Vibes.

Lv. 10

Ultimate

Ascend That Rhapsody in Blue

SupportLv. 10

Advances the action of one designated ally character (excluding Robin • Summeretto) by 100% and regenerates a fixed amount of Energy equal to 20.0% of their Max Energy. Then, grants them the "Special Guest" effect. When the "Special Guest" character or their summon attacks, they additionally grant Robin • Summeretto 2 Vibes but cannot make other friendly targets gain the action advance effect. This lasts for 2 turn(s), and its duration decreases by 1 at the start of this character's turn.

Lv. 10

Talent

Wings Heed No Borders

EnhanceLv. 10

Memosprite "Summer Songbirds" has an initial Max HP equal to 70% of Robin • Summeretto's Max HP and an initial SPD equal to 180% of Robin • Summeretto's SPD. When an ally target uses an attack, or when they provide healing or Shield for the first time in any target's turn, Robin • Summeretto gains Vibes by 1 point, capped at 50. While "Summer Songbirds" Bessie is on the field, if Robin • Summeretto's Vibes is 6 or higher, immediately summons "Summer Songbirds" Drummie, and if Vibes is 12 or higher, immediately summons "Summer Songbirds" Paddie. When all "Summer Songbirds" take the stage, dispels all Crowd Control debuffs inflicted upon Robin • Summeretto and the "Summer Songbirds", starts the "Fever" state, and deploys a Zone. When ally targets deal DMG within the Zone, they ignore a percentage of enemy targets' DEF equal to (15.0% + Vibes × 0.5%).

While in the "Fever" state, Robin • Summeretto and the "Summer Songbirds" are immune to Crowd Control debuffs. Robin • Summeretto will not enter her turn until the "Fever" state ends.

Lv. 10

Technique

We Are the Melody

EnhanceLv. 1

After using Technique, advances action by 20% at the start of the next battle, immediately gains 6 Vibes, and increases all allies' DMG dealt by 30%, lasting for 2 turn(s).

Memosprite Skill

Chirrup Quartet

AoE AttackLv. 6

Deals Wind DMG equal to 150.0% of "Summer Songbirds'" Max HP to all enemies.

Lv. 6

Memosprite Talent

A Warble of Wings

SupportLv. 6

While in the "Fever" state, the "Summer Songbirds" and a countdown will appear on the Action Order. And the DMG dealt by Robin • Summeretto and "Summer Songbirds" increases by an amount equal to (60% + Vibes × 2.0%). When "Summer Songbirds'" turn starts, uses the Memosprite Skill. The countdown has an initial SPD of 140. And when its turn starts, deducts 50% of the current Vibes (minimum 12 points). When the Vibes reaches 0, the "Summer Songbirds" disappears and Robin • Summeretto exits the "Fever" state. While the "Summer Songbirds" is on the field, based on the number of its members present, increases the DMG taken by all enemies by 8.0%/12.0%/16.0% respectively.

Memosprite Talent sequence

Near the Sea's Heartbeat

SupportLv. 6

When the "Summer Songbirds" gets summoned, regenerates 20 Energy for Robin • Summeretto.

Astride Summer's Nightwind

SupportLv. 6

When the "Summer Songbirds" disappears, Robin • Summeretto's action advances by 50%.

Lv. 6

Traces

Major Traces

Deviated Chords

When an ally target causes Robin • Summeretto to gain Vibes, if their ATK is higher than Robin • Summeretto's, increases that target's ATK by an amount equal to (16% + Vibes × 0.4%) of Robin • Summeretto's Max HP. Otherwise, increases that target's CRIT DMG by an amount equal to (40% + Vibes × 1.5%). Lasts for 2 turn(s).

Improvised Blues

When Robin • Summeretto or the "Summer Songbirds" receive healing or Shield provided by teammates, causes Robin • Summeretto to gain 12 stack(s) of "Groove," capped at 12. The first time Robin • Summeretto gains Vibes during any target's turn, if she has "Groove," consumes 1 stack of "Groove" and regenerates a fixed 3 Energy.

Rebuilt Harmony

Increases the CRIT Rate of Robin • Summeretto and "Summer Songbirds" by 50%.

Minor Traces

CRIT Rate Boost+6.7%
HP Boost+18%
SPD Boost+14

Eidolons

Stray Bird of Summer

"Summer Songbirds" will keep a tally of 100% of the non-True DMG dealt by ally targets. When using the Memosprite Skill, additionally deals True DMG to the enemy target with the highest HP, equal to (11% + current Vibes × 0.1%) of the total tally. Then, clears 50% of the tally.

A Heart of Still Water

Ally targets' All-Type RES PEN increases by 18%. The upper limit of Robin • Summeretto's Vibes increases by 20. The first time an ally target uses an ability during any target's turn to cause Robin • Summeretto to gain Vibes, she gains an additional 2 points.

Echoes Left Along the Way

Skill +2
Talent +2
Memosprite Talent +1

Skill Lv. +2, up to a maximum of Lv. 15.

Talent Lv. +2, up to a maximum of Lv. 15.

Memosprite Talent Lv. +1, up to a maximum of Lv. 10.

Her Variation on the Theme

Upon entering the "Fever" state, immediately gains 12 Vibes, and increases the SPD of "Summer Songbirds" by an amount equal to (20% + current Vibes × 0.5%).

To Chase the Dawn Anew

Basic ATK +1
Ultimate +2
Memosprite Skill +1

Ultimate Lv. +2, up to a maximum of Lv. 15.

Basic ATK Lv. +1, up to a maximum of Lv. 10.

Memosprite Skill Lv. +1, up to a maximum of Lv. 10.

A Song Yet Unnamed

Increases the Memosprite Skill's DMG multiplier by 100% of its original value. While in the "Fever" state, Robin • Summeretto can store her Ultimate up to 2 times. After entering the "Fever" state for the first time in this battle or when the the "Fever" countdown's turn starts, regenerates a fixed 140 Energy.

Stats

Level 80

Maximum ascension

HP1203

ATK602

DEF485

SPD95

Level	HP	ATK	DEF	SPD
1	164	82	66	95
20	385	192	155	95
30	532	266	215	95
40	679	340	274	95
50	827	413	333	95
60	974	487	393	95
70	1121	561	452	95
80	1203	602	485	95