Castorice
Last updated 2026-05-03
Castorice is a playable character in Honkai: Star Rail.
The land that reveres death, Aidonia, where snow falls endlessly, has today drifted into a sweet slumber. Castorice, daughter of the River of Souls, Chrysos Heir in search of "Death" Coreflame, sets forth. You must guard the lament of souls and embrace the solitude of destiny.
— Life and death are but a journey. When butterfly alights on the branch, what withers will bloom anew.[17]
Combat Info
Ascensions and Stats
| Ascension Phase | Level | Base HP | Base ATK | Base DEF | Base SPD | Ascension Costs |
|---|---|---|---|---|---|---|
| 0✦ | 1/20 | 221 | 71 | 66 | 95 | (0 → 1) |
| 20/20 | 432 | 138 | 128 | 95 | ||
| Ascension Cost (0 → 1) | ||||||
| 1✦ | 20/30 | 521 | 167 | 155 | 95 | (1 → 2) |
| 30/30 | 632 | 203 | 188 | 95 | ||
| Ascension Cost (1 → 2) | ||||||
| 2✦ | 30/40 | 720 | 231 | 214 | 95 | (2 → 3) |
| 40/40 | 831 | 267 | 247 | 95 | ||
| Ascension Cost (2 → 3) | ||||||
| 3✦ | 40/50 | 920 | 295 | 273 | 95 | (3 → 4) |
| 50/50 | 1,031 | 331 | 306 | 95 | ||
| Ascension Cost (3 → 4) | ||||||
| 4✦ | 50/60 | 1,119 | 359 | 333 | 95 | (4 → 5) |
| 60/60 | 1,230 | 395 | 366 | 95 | ||
| Ascension Cost (4 → 5) | ||||||
| 5✦ | 60/70 | 1,319 | 424 | 392 | 95 | (5 → 6) |
| 70/70 | 1,430 | 459 | 425 | 95 | ||
| Ascension Cost (5 → 6) | ||||||
| 6✦ | 70/80 | 1,519 | 488 | 452 | 95 | — |
| 80/80 | 1,629 | 523 | 485 | 95 | ||
308,000 Credit
15 Echoing WailAbilities
| Icon | Type | Name | Tag | Energy | Toughness Reduction | ||||||||||||||||||||||||||||||||||||||||||||||
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| Basic ATK | Lament, Nethersea's Ripple | Single Target | Generation: 0 | 10 | |||||||||||||||||||||||||||||||||||||||||||||||
Deals Quantum DMG equal to 25%—55% of Castorice's Max HP to one designated enemy.
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| Skill | Silence, Wraithfly's Caress | Blast | Generation: 0 | 20 (Main) 10 (Adjacent) | |||||||||||||||||||||||||||||||||||||||||||||||
Consumes 30% of all allies' current HP. Deals Quantum DMG equal to 25%—55% of Castorice's Max HP to one designated enemy and Quantum DMG equal to 15%—33% of Castorice's Max HP to adjacent targets.
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| Skill | Boneclaw, Doomdrake's Embrace | AoE | Generation: 0 | 10+10 | |||||||||||||||||||||||||||||||||||||||||||||||
Consumes 40% of the current HP of all allies (except Netherwing). Castorice and Netherwing launch Joint ATK on the targets, dealing Quantum DMG equal to 15%—33% and 25%—55% of Castorice's Max HP to all enemies.
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| Ultimate | Doomshriek, Dawn's Chime | Summon | Cost: Maximum point(s) of "Newbud" Generation: 0 | ||||||||||||||||||||||||||||||||||||||||||||||||
Summons the memosprite Netherwing and advances its action by 100%. At the same time, deploys the Territory "Lost Netherland," which decreases all enemies' All-Type RES by 10%—22%. If Castorice has the DMG Boost effect from her Talent, then this effect spreads to Netherwing. Netherwing has an initial SPD of 165 and a set Max HP equal to 100% of max "Newbud."
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| Talent | Desolation Across Palms | Enhance | |||||||||||||||||||||||||||||||||||||||||||||||||
The maximum limit of "Newbud" is related to the levels of all characters on the battlefield. For every 1 point of HP lost by all allies, Castorice gains 1 point of "Newbud." When "Newbud" reaches its maximum limit, can activate the Ultimate. When allies lose HP, Castorice's and Netherwing's DMG dealt increases by 10%—22%. This effect can stack up to 3 time(s), lasting for 3 turn(s).
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| Technique | Wail, Death's Herald | ||||||||||||||||||||||||||||||||||||||||||||||||||
After using Technique, enters the "Netherveil" state that lasts for 20 seconds. While "Netherveil" is active, enemies are unable to actively approach Castorice.
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| Memosprite Skill | Claw Splits the Veil | AoE | Generation: 0 | 10 | |||||||||||||||||||||||||||||||||||||||||||||||
Deals Quantum DMG equal to 20%—44% of Castorice's Max HP to all enemies.
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| Memosprite Skill | Breath Scorches the Shadow | AoE | Generation: 0 | 10 | |||||||||||||||||||||||||||||||||||||||||||||||
Launching "Breath Scorches the Shadow" will consume 25% of Netherwing's Max HP to deal Quantum DMG equal to 12%—26.4% of Castorice's Max HP to all enemies.
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| Memosprite Talent | Mooncocoon Shrouds the Form | Support | |||||||||||||||||||||||||||||||||||||||||||||||||
| When Netherwing is on the field, it acts as backup for allies. When allies take DMG or consume HP, their current HP can be reduced down to a minimum of 1, after which Netherwing will consume HP at 500% of the original value until Netherwing disappears. | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Memosprite Talent | Roar Rumbles the Realm | Support | |||||||||||||||||||||||||||||||||||||||||||||||||
| When Netherwing is summoned, increases DMG dealt by all allies by 10%, lasting for 3 turn(s). | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Memosprite Talent | Wings Sweep the Ruins | Bounce | Generation: 0 | 5 (Per Hit) | |||||||||||||||||||||||||||||||||||||||||||||||
When Netherwing disappears, deals 6 instance(s) of DMG, with each instance dealing Quantum DMG equal to 20%—44% of Castorice's Max HP to one random enemy. At the same time, restores HP by an amount equal to 3%—6.6% of Castorice's Max HP plus 400—880 for all allies.
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| Exclusive Effect | Sanctuary of Mooncocoon | Support | |||||||||||||||||||||||||||||||||||||||||||||||||
After obtaining Castorice or when Castorice is in the current team, receive the following effect: In battle, when an ally character receives a killing blow, all ally characters that received a killing blow in this action enter the "Mooncocoon" state. Characters in "Mooncocoon" temporarily delay becoming downed and can take actions normally. After the action and before the start of the next turn, if their current HP increases or they gain a Shield, "Mooncocoon" is removed. Otherwise, they will be downed immediately. This effect can only trigger once per battle.
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Traces
| Trace Level | Required Ascension | Credits [Subtotal] | Character Ascension Materials and Trace Materials [Subtotal] | Trace Materials [Subtotal] |
|---|---|---|---|---|
| 1 → 2 | 2✦ | 5,000 [5,000] | 6 [6] | 3 [3] |
| 2 → 3 | 3✦ | 10,000 [15,000] | 3 [3] | 3 [3] |
| 3 → 4 | 4✦ | 20,000 [35,000] | 4 [7] | 5 [8] |
| 4 → 5 | 5✦ | 45,000 [80,000] | 3 [3] | 3 [3] |
| 5 → 6 | 6✦ | 160,000 [240,000] | 4 [7] | 8 [11] |
240,000 Credit| Trace Level | Required Ascension | Credits [Subtotal] | Character Ascension Materials and Trace Materials [Subtotal] | Trace Materials [Subtotal] | ||
|---|---|---|---|---|---|---|
| 1 → 2 | 1✦ | 2,500 [2,500] | 3 [3] | |||
| 2 → 3 | 2✦ | 5,000 [7,500] | 6 [9] | 3 [3] | ||
| 3 → 4 | 3✦ | 10,000 [17,500] | 3 [3] | 3 [3] | ||
| 4 → 5 | 4✦ | 20,000 [37,500] | 4 [7] | 5 [8] | ||
| 5 → 6 | 30,000 [67,500] | 6 [13] | 7 [15] | |||
| 6 → 7 | 5✦ | 45,000 [112,500] | 3 [3] | 3 [3] | ||
| 7 → 8 | 80,000 [192,500] | 4 [7] | 5 [8] | 1 [1] | ||
| 8 → 9 | 6✦ | 160,000 [352,500] | 8 [16] | 1 [2] | 1 [1] | |
| 9 → 10 | 300,000 [652,500] | 14 [30] | 1 [3] | 1 [2] | ||
| CRIT Rate Boost CRIT Rate increases by 2.7% |
DMG Boost: Quantum Quantum DMG increases by 3.2% Req. Character Ascension 2 | ||
| CRIT Rate Boost CRIT Rate increases by 2.7% Req. Character Ascension 3 | |||
| Contained Dark Tide After ally targets (excluding Netherwing) receive healing, converts 100% of the healed amount into "Newbud." If Netherwing is on the field, this is converted to Netherwing's HP instead. Each ally target can accumulate a conversion amount up to 12% of the max "Newbud." After any unit takes action, all units reset their accumulated conversion amount. Req. Character Ascension 2 |
CRIT DMG Boost CRIT DMG increases by 5.3% Req. Character Ascension 3 |
CRIT Rate Boost CRIT Rate increases by 4.0% Req. Character Ascension 4 | |
| Inverted Torch When Castorice's current HP is higher than or equal to 50% of her Max HP, her SPD increases by 40%. When Netherwing uses "Breath Scorches the Shadow" and deals fatal damage to all enemies on the field or brings them to a point where their HP cannot be reduced further, Netherwing's SPD increases by 100%, lasting for 1 turn. Req. Character Ascension 4 |
DMG Boost: Quantum Quantum DMG increases by 4.8% Req. Character Ascension 5 |
CRIT Rate Boost CRIT Rate increases by 4.0% Req. Character Ascension 5 | |
| Where The West Wind Dwells Each time Netherwing uses "Breath Scorches the Shadow," the DMG dealt increases by 30%. This effect stacks up to 6 time(s) and lasts until the end of this turn. Req. Character Ascension 6 |
CRIT DMG Boost CRIT DMG increases by 8.0% Req. Character Ascension 6 |
DMG Boost: Quantum Quantum DMG increases by 6.4% Req. Character Lv. 75 |
CRIT Rate Boost CRIT Rate increases by 5.3% Req. Character Lv. 80 |
Eidolons
| Icon | Name | Level |
|---|---|---|
| Snowbound Maiden, Memory to Tomb | 1 | |
| When the enemy target's current HP is 80%/50% of Max HP or lower, the DMG dealt to it by "Boneclaw, Doomdrake's Embrace," "Claw Splits the Veil," "Breath Scorches the Shadow," and "Wings Sweep the Ruins" is 120%/140% of the original DMG respectively. | ||
| Crown on Wings of Bloom | 2 | |
| After summoning the memosprite Netherwing, Castorice gains 2 stack(s) of "Ardent Will." "Ardent Will" can stack up to 2 time(s) and can be used to offset the HP cost of Netherwing's Memosprite Skill, "Breath Scorches the Shadow" and advance Castorice's action by 100%. When using the next Enhanced Skill, Castorice gains "Newbud" by an amount equal to 30% of max "Newbud." | ||
| Pious Pilgrim, Dance in Doom | 3 | |
| Ultimate Lv. +2, up to a maximum of Lv. 15. Basic ATK Lv. +1, up to a maximum of Lv. 10. Memosprite Talent Lv. +1, up to a maximum of Lv. 10. | ||
| Rest in Songs of Gloom | 4 | |
| While Castorice is on the field, all allies' Incoming Healing during HP restoration increases by 20%. | ||
| Pristine Pages, Prophecy as Plume | 5 | |
| Skill Lv. +2, up to a maximum of Lv. 15. Talent Lv. +2, up to a maximum of Lv. 15. Memosprite Skill Lv. +1, up to a maximum of Lv. 10. | ||
| Await for Years to Loom | 6 | |
| When Castorice or Netherwing deals DMG, increases Quantum RES PEN by 20%. During Netherwing's attacks, can reduce enemy Toughness regardless of Weakness Types. When breaking Weaknesses, triggers the Quantum Weakness Break effect. And the number of Bounces for Netherwing's Talent "Wings Sweep the Ruins" additionally increases by 3. | ||
Achievements
There are 6 Achievements related to Castorice:
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Name | Category | Description | Hidden | Version | |
|---|---|---|---|---|---|---|
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Dragon Tamer | Eager for Battle | In a single battle, summon Netherwing Pollux 3 time(s) using ally character Castorice | No | 3.2 | 5 |
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Heroes Never Die | Eager for Battle | When Castorice's Exclusive Effect is triggered, 4 ally characters in the team simultaneously gain the "Mooncocoon" state | Yes | 3.2 | 5 |
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Nether Realm Butterflies Dancing Together | Eager for Battle | Win 1 battle(s) using a team that contains both Castorice and (Trailblazer) | Yes | 3.2 | 5 |
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Resting in the Cocoon | Eager for Battle | Use ally character Castorice to deal the final blow against "Pollux, Netherwing Husk, Ferry of Souls" | Yes | 3.2 | 5 |
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As Life and Death, Two Flowers Share One Stem | Eager for Battle | Use the ally Castorice's Ultimate "Doomshriek, Dawn's Chime" when "Newbud" reaches 200% | Yes | 3.7 | 5 |
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A Drop of the Soul Brew | The Memories We Share | Once the brewery is back in business, craft a fresh bottle of soul brew | Yes | 3.5 | 5 |
Availability
Event Warps
Castorice has been promoted or featured with a drop-rate boost in 3 Event Warps:
| Warp | Featured | Duration | Version |
|---|---|---|---|
![]() Blossom to the Beyond 2025-04-09 |
April 9, 2025 – April 30, 2025 | 3.2 | |
![]() Indelible Coterie 2025-11-05 |
November 5, 2025 – November 26, 2025 | 3.7 | |
![]() Indelible Coterie 2026-04-22 |
April 22, 2026 – May 13, 2026 | 4.2 |
Other Languages
| Language | Official Name |
|---|---|
| English | Castorice |
| Chinese (Simplified) | 遐蝶 |
| Chinese (Traditional) | 遐蝶 |
| Japanese | キャストリス |
| Korean | 카스토리스 |
| Spanish | Castorice |
| French | Castorice |
| Russian | Кастория |
| Thai | Castorice |
| Vietnamese | Castorice |
| German | Castorice |
| Indonesian | Castorice |
| Portuguese | Castorice |
Change History
- Updates to character voice-overs:
- New voice-over for All Languages:
- "About Hysilens"
- "About Cerydra"
- "About March 7th"
- "About Dan Heng • Permansor Terrae"
- "About Cyrene"
- "Added to Team With Hysilens"
- "Added to Team With Cerydra"
- "Added to Team With March 7th"
- "Added to Team With Dan Heng • Permansor Terrae"
- "Added to Team With Cyrene"
- New voice-over for All Languages:
- Updates to character voice-overs:
- New voice-over for All Languages:
- "Added to Team With Phainon"
- New voice-over for All Languages:
- Updates to character voice-overs:
- New voice-over for All Languages:
- "Added to Team With Hyacine"
- "Added to Team With Cipher"
- New voice-over for All Languages:
- Castorice was released as a playable character.
- February 10, 2025
- Castorice was introduced as an upcoming playable character.
- January 15, 2025
- Castorice was released as an NPC.
- Castorice was introduced.
References
- ↑ Honkai: Star Rail (September 24, 2025). Myriad Celestia Trailer — "Amphoreus' Saga of Heroes". YouTube. Retrieved September 24, 2025.
- ↑ Relic, World-Remaking Deliverer: Deliverer's Boots of Pioneering
- ↑ Adventure Mission, The Chrysos Maze Grand Restaurant: Fairy Tree Hollow Dive
- ↑ Trailblaze Mission, As Tomorrow Became Yesterday: Hero, Return to Dawn in Mortality
- ↑ Mission Item: Winter Blossom of Death
- ↑ 6.0 6.1 As I've Written, δ-me13.exe, Experiment Progress: Eternal Recurrence, Electrical Signal Sequence (Active): EpieiKeia216
- ↑ Trailblaze Mission, Before Their Deaths: Time, Ferry Me Through Ages
- ↑ Trailblaze Mission, For the Sun is Set to Die: Hero, Shatter That Woeful Effigy
Lygus: The golden blood flowing in your veins... It comes from The Blemished One, whose name is "Destruction" itself. And Amphoreus's Chrysos Heirs were, from the very beginning, fuel for the Aeon to burn the universe. - ↑ Trailblaze Mission, Through the Petals in the Land of Repose: Scholar, Let Us Meet Again Before the Gates of Truth
- ↑ Trailblaze Mission, Through the Petals in the Land of Repose: Broken Dream, Enlighten From the Beyond
- ↑ 11.0 11.1 Loading Screen: Castorice
- ↑ Data Bank, Characters, Castorice: Character Story: Part III
- ↑ Template:Phantom Reference/YouTube.default Retrieved April 8, 2025.
- ↑ Trailblaze Mission, Through the Petals in the Land of Repose: Broken Dream, Enlighten From the Beyond
- ↑ 15.0 15.1 Trailblaze Mission, Through the Petals in the Land of Repose: Ferryman, Ferry Me Across the Stream of Souls
- ↑ 16.0 16.1 16.2 16.3 崩坏星穹铁道 (January 11, 2025). 神话开篇PV:「诸神尽喑之歌」. Bilibili. Retrieved January 11, 2025.
- ↑ 17.0 17.1 Character Reveal, Honkai: Star Rail Twitter. Retrieved February 10, 2025.
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