Energy Regeneration Rate

Energy Regeneration Rate is a character-exclusive stat in Honkai: Star Rail. It increases the amount of Energy regenerated by a character.

${\displaystyle {\begin{aligned}{\text{Real Energy Regeneration}}={}&{\text{Base Energy Regeneration}}\\&\times {\text{Energy Regeneration Rate}}\end{aligned}}}$

Note that some Energy-generating effects are not affected by Energy Regeneration Rate. These include:

• Aglaea's  Ascension 6 Bonus Ability Ascension 6 Bonus Ability
• Ashveil's  Talent Talent (8 Energy Generation effect)
• Bailu's  Eidolon 1 Eidolon 1
• Cyrene's  Memosprite Skill (Ode to Sky) Memosprite Skill (Ode to Sky)
• Evanescia's  Eidolon 6 Eidolon 6
• Firefly's  Skill Skill
• Firefly's  Talent Talent
• Gilgamesh's  Talent Talent (120 Energy Generation effect for Saber)
• Gilgamesh's  Ascension 2 Bonus Ability Ascension 2 Bonus Ability
• Gilgamesh's  Eidolon 1 Eidolon 1
• Huohuo's  Ultimate Ultimate
• Mortenax Blade's  Ascension 2 Bonus Ability Ascension 2 Bonus Ability
• Saber's  Talent Talent
• Robin • Summeretto's  Ultimate Ultimate
• Robin • Summeretto's  Ascension 4 Bonus Ability Ascension 4 Bonus Ability
• Robin • Summeretto's  Eidolon 6 Eidolon 6
• Saber's  Ascension 4 Bonus Ability Ascension 4 Bonus Ability
• Saber's  Eidolon 6 Eidolon 6
• Sunday's  Ultimate Ultimate
• The Dahlia's  Ascension 6 Bonus Ability Ascension 6 Bonus Ability
• The Herta's  Ascension 2 Bonus Ability Ascension 2 Bonus Ability
• Tingyun's  Ultimate Ultimate
• Tingyun's  Technique Technique
• Trailblazer (Elation)'s  Talent Talent
• A Thankless Coronation
• Past Self in Mirror
• Reforged in Hellfire
• When She Decided To See

Eidolons

Toggle Descriptions
4 Eidolons increase Energy Regeneration Rate of characters:

Character	Name	Description	Level
Trailblazer (Harmony) Trailblazer (Harmony)	Jailbreaking Rainbowwalk Jailbreaking Rainbowwalk	When the battle starts, the Trailblazer's Energy Regeneration Rate increases by 25%, lasting for 3 turn(s).	2
Yanqing Yanqing	Supine Serenade Supine Serenade	When Soulsteel Sync is active, Energy Regeneration Rate increases by an extra 10%.	2
Asta Asta	Aurora Basks in Beauty and Bliss Aurora Basks in Beauty and Bliss	Asta's Energy Regeneration Rate increases by 15% when she has 2 or more Charging stacks.	4
Gilgamesh Gilgamesh	King Who Bowed to None King Who Bowed to None	Gilgamesh's Energy Regeneration RateEnergy Regeneration RateEnergy Regeneration Rate can boost the amount of Energy a character gains when performing actions such as using abilities, defeating enemies, or taking DMG. A higher rate means faster Energy regeneration. However, certain Energy-Regenerating effects won't be impacted by this rate. increases by 20%.	4

Relic Sets

Toggle Set Bonuses
3 Relic Sets increase Energy Regeneration Rate of characters:

Icon	Set	Pieces	Bonuses
	Lushaka, the Sunken Seas		2 Piece: Increases the wearer's Energy Regeneration Rate by 5%. If the wearer is not the first character in the team lineup, then increases the ATK of the first character in the team lineup by 12%.
	Penacony, Land of the Dreams		2 Piece: Increases wearer's Energy Regeneration Rate by 5%. Increases DMG by 10% for all other allies that are of the same Type as the wearer.
	Sprightly Vonwacq		2 Piece: Increases the wearer's Energy Regeneration Rate by 5%. When the wearer's SPD reaches 120 or higher, the wearer's action is Advanced Forward by 40% immediately upon entering battle.

Light Cones

Toggle Columns:
RarityPathStatsPassives
10 Light Cones increase Energy Regeneration Rate of characters:

Icon & Name	Rarity	Path	Stats	Passive
Brighter Than the Sun		Destruction	HP: 48~1,058 ATK: 28~635 DEF: 18~396	Defiant Till Death Increases the wearer's CRIT Rate by 18~30%. When the wearer uses their Basic ATK, they will gain 1 stack of Dragon's Call, lasting for 2 turns. Each Stack of Dragon's Call increases the wearer's ATK by 18~30% and Energy Regeneration Rate by 6.0~10.0%. Dragon's Call can be stacked up to 2 times.
But the Battle Isn't Over		Harmony	HP: 52~1,164 ATK: 24~529 DEF: 21~463	Heir Increases the wearer's Energy Regeneration Rate by 10~18% and regenerates 1 Skill Point when the wearer uses their Ultimate on an ally. This effect can be triggered once after every 2 uses of the wearer's Ultimate. When the wearer uses their Skill, the next ally taking action (except the wearer) deals 30~50% more DMG for 1 turn(s).
Carve the Moon, Weave the Clouds		Harmony	HP: 43~952 ATK: 21~476 DEF: 15~330	Secret At the start of the battle and whenever the wearer's turn begins, one of the following effects is applied randomly: All allies' ATK increases by 10~20%, all allies' CRIT DMG increases by 12~24%, or all allies' Energy Regeneration Rate increases by 6~12%. The applied effect cannot be identical to the last effect applied, and will replace the previous effect. The applied effect will be removed when the wearer has been knocked down. Effects of the same type cannot be stacked.
Flowing Nightglow		Harmony	HP: 43~952 ATK: 28~635 DEF: 21~463	Pacify Every time an ally attacks, the wearer gains 1 stack of Cantillation. Each stack of Cantillation increases the wearer's Energy Regeneration Rate by 3.0~5.0%, stacking up to 5 time(s). When the wearer uses their Ultimate, removes Cantillation and gains Cadenza. Cadenza increases the wearer's ATK by 48~96% and increases all allies' DMG dealt by 24~40%, lasting for 1 turn(s).
I Am As You Behold		Destruction	HP: 43~952 ATK: 28~635 DEF: 21~463	At Will Increases the wearer's ATK by 18~30% and Energy Regeneration Rate by 10~20% . When the wearer uses Ultimate, for every 1 Energy consumed, increases the Ultimate DMG dealt this time by 0.20~0.40%, up to a max increase of 72~144%. When the wearer enters combat or uses Ultimate, the wearer gains "King's Entertainment," lasting for 3 turn(s). While the wearer holds "King's Entertainment," increases all allies' CRIT DMG by 24~48%. Effects of the same type cannot stack.
Night of Fright		Abundance	HP: 52~1,164 ATK: 21~476 DEF: 24~529	Deep, Deep Breaths Increases the wearer's Energy Regeneration Rate by 12~20%. When any ally uses their Ultimate, the wearer restores HP for the ally currently with the lowest HP percentage by an amount equal to 10~14% of the healed ally's Max HP. When the wearer provides healing for an ally, increases the healed ally's ATK by 2.4~4.0%. This effect can stack up to 5 times and lasts for 2 turn(s).
Post-Op Conversation		Abundance	HP: 48~1,058 ATK: 19~423 DEF: 15~330	Mutual Healing Increases the wearer's Energy Regeneration Rate by 8~16% and increases Outgoing Healing when they use their Ultimate by 12~24%.
She Already Shut Her Eyes		Preservation	HP: 57~1,270 ATK: 19~423 DEF: 24~529	Visioscape Increases the wearer's Max HP by 24~40% and Energy Regeneration Rate by 12~20%. When the wearer's HP is reduced, all allies' DMG dealt increases by 9.0~15.0%, lasting for 2 turn(s). At the start of every wave, restores HP to all allies by an amount equal to 80~100% of their respective lost HP.
Until the Flowers Bloom Again		Elation	HP: 43~952 ATK: 28~635 DEF: 21~463	Daydream Increases the wearer's CRIT DMG by 60~120% and Energy Regeneration Rate by 10.0~16.0%. When the wearer's Max Energy is greater than 120, for every 10 points of Max Energy that exceeds this amount, further increases Energy Regeneration Rate by 0.3%. Up to a maximum of 360 points of excess Max Energy can be taken into account. When the wearer uses Elation Skill, increases the DMG received by all enemies by 15.0~30.0% for 2 turn(s). Effects of the same type cannot stack.
When She Decided to See		Elation	HP: 48~1,058 ATK: 24~529 DEF: 24~529	Game Changer Increases the wearer's SPD by 18~30%. When the wearer enters combat or uses Ultimate on an ally target, the wearer gains "Great Fortune" for 3 turn(s). While the wearer has "Great Fortune," all allies' CRIT Rate increases by 10~14%, CRIT DMG increases by 30~60%, and the wearer's Energy Regeneration Rate increases by 12~20%. At the start of each wave, the wearer regenerates a fixed amount of 15 Energy.

Enemies

2 Enemies can increase Energy Regeneration Rate of characters:

Enemy	Tier	Damage	Weakness
Savage God, Mad King, Incarnation of Strife	Boss
The Ravaged Unconquerable	Boss

Other Languages

Language	Official Name
English	Energy Regeneration Rate
Chinese (Simplified)	能量恢复效率
Chinese (Traditional)	能量恢復效率
Japanese	EP回復効率
Korean	에너지 회복효율
Spanish	Recuperación de energía
French	Taux de régénération d'énergie
Russian	Скорость восстановления энергии
Thai	อัตราการฟื้นฟูพลังงาน
Vietnamese	Hiệu Suất Hồi năng Lượng
German	Energie-Wiederherstellungsrate
Indonesian	Energy Regeneration Rate
Portuguese	Taxa de Regeneração de Energia

Change History

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Combat General Type Path Remembrance Memosprite Elation Aha Instant Status Effect Damage Additional DMG Break DMG DoT Elation DMG True DMG Skill Point Extra Turn Follow-Up Attack Summon Joint ATK Healing Shield Zone Territory Trailblaze Companions Voracity Corrosion Auto-Battle Equipment Light Cone Relic Abilities Basic ATK Skill Ultimate Talent Technique Bonus Ability Memosprite Skill Memosprite Talent Elation Skill Assist Skill Exclusive Effect Exclusive Stats ATK DEF HP Speed CRIT Rate CRIT DMG Break Effect Outgoing Healing Boost Energy Energy Regeneration Rate Effect Hit Rate Effect RES Debuff RES Damage RES DMG Boost Final DMG Boost Weaken Vulnerability DMG Mitigation Toughness Aggro Path of Elation Certified Banger Elation Merrymake Punchline