Summeretto Complete Guide: Abilities, Materials, and Eidolons in HSR

As Honkai: Star Rail version 4.5 approaches, anticipation is building for the arrival of Summeretto, also known as Robin Summeretto, a brand-new 5-Star Wind heroine. According to credible beta testing reports, she belongs to The Remembrance path and centers her mechanics around a unique memosprite dubbed the Summer Songbirds. Keep in mind that all early data is subject to adjustments, but this comprehensive breakdown will ensure you have everything ready to max her out right away.

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Summeretto Overview

• Rarity: 5-Star
• Element: Wind
• Path: The Remembrance
• Role: Support and Sub-DPS (utilizing memosprite mechanics)
• Core Mechanic: Vibes – an accumulation meter that unlocks robust team-wide enhancements and damage multipliers

Summeretto Abilities Breakdown

Note: Unverified details sourced from honeyhunterworld beta tests; subject to change upon official release.

Summeretto’s playstyle relies heavily on her companion, the memosprite Summer Songbirds Bessie, alongside a stacking mechanic known as Vibes. Gathering Vibes via party member actions allows her to upgrade her summons and trigger a potent Fever mode.

Basic Attack

Soundwaves, Tuning the Ocean Breeze – Inflicts Wind damage equivalent to 25% of Summeretto’s Maximum HP upon a chosen target.

Skill

Midsummer Is the Musician of the Soul – Calls forth the memosprite Summer Songbirds Bessie. If it is already active, this restores 50% of its Max HP and grants 6 Vibes.

Ultimate

Leap into the Blue Ocean Rhapsody – Pushes forward an ally’s turn by 100% while restoring 12% of their Max Energy. That teammate receives the Special Guest status, causing them to generate Vibes when executing attacks. This cannot target Summeretto or her memosprite.

Talent

Cruising the Boundless Skies – The memosprite’s Max HP scales to 70% of Summeretto’s, while its Speed reaches 180% of hers. Friendly actions like attacks, heals, or shields add 1 Vibe (up to 50 max). Reaching 6 Vibes summons Summer Songbirds Drummie, and 12 Vibes adds Summer Songbirds Paddie. Once all three memosprites populate the battlefield, Summeretto initiates the Fever phase, cleanses all Crowd Control debuffs, and fields a special Zone granting allies Defense Ignore (10% plus 0.5% per Vibe). During Fever, Summeretto and her companions are immune to CC, though Summeretto skips taking direct turns.

Technique

We Form A Melody – Initiates combat with 6 pre-existing Vibes and grants all allies a 30% damage increase lasting 2 turns.

Bonus Traces

• Deviated Chord: When a teammate builds Vibes for Summeretto, whichever stat is higher between their ATK and Summeretto’s Max HP boosts their ATK; otherwise, their Crit Damage increases for 2 turns.
• Improvised Blues: Receiving heals or shields from allies grants up to 12 Groove charges, with the initial charge restoring Energy.
• Reconstructed Harmony: Boosts the Crit Rate of both Summeretto and her memosprite by 50%.

Summeretto Ascension Resources

Fully upgrading Summeretto requires specific materials. Keep in mind these reflect current beta insights and might change.

Ascension Phase	Required Materials	Credit Expense	Milestone Bonus
20	5 Dream Collection Component	4,000	1 regular Star Rail Pass
30	10 Dream Collection Component	8,000	—
40	6 Dream Flow Valve, 3 Charred Bud of Twilight	16,000	1 regular Star Rail Pass
50	9 Dream Flow Valve, 7 Charred Bud of Twilight	40,000	—
60	6 Dream Making Engine, 20 Charred Bud of Twilight	80,000	1 regular Star Rail Pass
70	9 Dream Making Engine, 35 Charred Bud of Twilight	160,000	—

Total Ascension Requirement:– 15 Dream Collection Component- 15 Dream Flow Valve- 15 Dream Making Engine- 65 Charred Bud of Twilight- 308,000 Credits

Summeretto Trace Ingredients

Maxing out her Traces demands a significant resource investment. Plan your Trailblaze Power accordingly.

Trace Material	Total Quantity
Tracks of Destiny	8
High Hopes of the Falsely Enlightened	12
Bija of Consciousness	18
Dream Collection Component	41
Dream Flow Valve	56
Dream Making Engine	58
Seedling of Manas	69
Flower of Alaya	139
Credits	3,000,000

Summeretto Eidolon Upgrades

Securing duplicates unlocks substantial power spikes. Here is what each Eidolon provides based on leaked files:

• E1 – Stray Birds of Summer: Maximum Vibes capacity expands by 20. The initial Skill activation each turn that yields Vibes grants 2 extra points.
• E2 – Heart Like Still Waters: The memosprite records all non-True damage dealt by teammates. Its Skill deals additional True damage to the highest-HP foe equal to 11% of the recorded amount plus 0.1% per Vibe, subsequently clearing half of the tracked total.
• E3 – Gleanings of Lost Echoes: Skill and Talent levels increase by 2 (cap at 15); Memosprite Talent level increases by 1 (cap at 10).
• E4 – Hearing the Chord Variations: Entering Fever immediately bestows 12 Vibes and enhances Memosprite Speed by 20% plus 0.5% per Vibe.
• E5 – Together, Toward a New Dawn: Ultimate level rises by 2 (cap at 15); Basic Attack and Memosprite Skill levels rise by 1 (cap at 10).
• E6 – To Sign an Aria Untitled: All-Type RES PEN increases by 20%. Memosprite Skill damage scaling doubles by 100%. Transitioning into Fever raises Crit Damage for Summeretto and her summon by 200%.

Is Summeretto Worth Pulling?

Based strictly on early beta leaks: Summeretto shapes up to be an exceptionally versatile support unit who also dishes out impressive offensive pressure through her memosprite. Her Fever state defense-stripping capabilities alongside massive critical multipliers imply she will likely dominate endgame modes like Memory of Chaos and the Simulated Universe. Free-to-play accounts will find plenty of value in her baseline E0 configuration thanks to robust team buffs and turn manipulation. Meanwhile, low-spending users might target her second Eidolon for its extra True damage output. As always, it is wise to wait for official developer broadcasts before making definitive pull decisions.