The Honkai Star Rail Castorice build may evoke a sense of recognition for those who have experimented with characters like Mydei or Blade. As a 5-star Quantum Remembrance character, Castorice has a penchant for diminishing the vitality of both herself and her foes. Primarily dependent on HP, she requires a complementary ally who can effectively heal multiple teammates frequently. Although Castorice possesses a valuable revival ability, it falls short without adequate healing to sustain her team during battles.
This guide offers an overview of the optimal Light Cones, Relics, and ensemble recommendations for Castorice in Honkai Star Rail.
Essential Components for Castorice’s Build
Optimal Light Cones for Castorice
As of HSR 3.2, the availability of Remembrance Light Cones remains limited, restricting Castorice’s options. Her signature cone, Make Farewells More Beautiful, enhances the character’s maximum HP by 30% and provides the Death Flower effect whenever she or her memosprite experiences HP loss. This effect lasts two turns, allowing them to disregard 30% of the enemy’s damage during attacks. With Castorice’s Bone Dragon memosprite absorbing HP from herself and her team during every assault, she easily activates Death Flower.
This HP boost amplifies the damage of Castorice’s attacks, while the damage mitigation helps to significantly reduce enemy health. Nevertheless, despite popular belief, it’s possible to utilize Castorice effectively without her signature cone. The Sweat Now, Cry Less — a battle pass Remembrance Light Cone — is more accessible and presents advantageous effects for her. This cone raises the character’s critical hit rate by 12/20%, and when her sprite is present, both the sprite and Castorice deal an additional 24/36% damage. Although this option comes at a cost since it demands a premium battle pass, it can eventually be maxed out with regular purchases.
Castorice’s only additional Remembrance selection is the 3-star Reminiscence, which provides both her and her sprite with an accumulating stack of commemoration at each turn’s start. Each stack boosts damage output by 8/12% and can accumulate up to four times for a maximum damage increase of 32/48%.This bonus is flat damage, which aligns perfectly with Castorice’s requirements.
The selection for Castorice is relatively straightforward. She should completely avoid anything that boosts attack, including Genius’ Greetings, and Memory’s Curtain from Herta’s store does not offer much value either.Victory in a Blink, available for free in the Forgotten Hall store, is not recommended for Castorice unless focusing purely on crit damage. Although it enhances crit damage by 12/24%, its secondary effect, increasing the party’s damage, is contingent on her memosprite using abilities on teammates — a feature the Bone Dragon’s ability does not activate as it targets enemies.
Recommended Relics for Castorice
Currently in HSR 3.2, Castorice has two potential Relic sets, one being the Poet of Mourning Collapse.
- Two-piece set: Increases Quantum damage by 10%
- Four-piece set: Reduces the wearer’s speed by 8%.If the speed is below 110/95 before battle, both the wearer’s and memosprite’s crit rate are enhanced by 20/32%.
The crucial aspect lies in the phrase “before battle”in the second effect, as Castorice comes equipped with a passive trace that boosts her speed by 40% under certain conditions. To maximize the crit rate buff, keep her speed below 100.
If grinding for these relics seems daunting and you have the Longevous Disciple set, it serves as a strong alternative.
- Two-piece effect: Increases HP by 12%
- Four-piece effect: When the wearer endures damage or utilizes their HP, the crit rate increases by 8% for two turns, stacking twice.
While the crit rate boost may be lower, the HP increase is notably beneficial.
Alternatively, a mix of two pieces from Longevous with two from Poet or a combination of two Poet with two Genius of Brilliant Stars can yield a 20% increase in Quantum damage.
Ornaments Suitable for Castorice
The Bone Collection’s Serene Demesne ornament naturally complements Castorice by boosting HP by 12% while also enhancing crit damage for both her and her sprite by 28%.However, there are other viable options as well. The Wondrous BananAmusement Park is a potent alternative for those seeking to elevate Castorice’s crit damage. It increases crit damage by 12%, with an additional 32% damage boost for both the wearer and sprite when a memosprite is on the field.
Fleet of the Ageless stands as another strong contender, offering a 12% HP boost and an 8% attack increase for the entire party once Castorice’s speed hits 120. While she may not reach that speed before battle, her passive skill — or a speed-boosting action from an ally — should comfortably push her past this threshold.
Understanding Castorice’s Stat Requirements
In an uncommon twist, Castorice operates as a hard-hitting damage dealer with atypical stat requirements for a DPS character. Her most crucial stat by far is HP, as her damage output relies on it rather than standard attack stats. While crit rate and crit damage remain important, her Relic choices often provide adequate boosts in these areas. Therefore, prioritize HP for the body relic, and aim for minimal speed when using the Poet of Mourning Collapse set, since attack stats are irrelevant for Castorice.
Here’s a quick summary:
- Body: HP percent
- Feet: HP percent
- Orb: HP percent or Quantum damage
- Rope: HP percent
While crit rate, crit damage, and additional HP are beneficial substats, prioritize acquiring sufficient HP in your builds.
Team Composition Ideas for Castorice
An exploration of online HSR communities might lead you to believe that Castorice is only effective within a premium team framework featuring Sunday, Tribbie, and Mydei. Although these characters synergize exceptionally well with her — with Sunday providing action advancement and crit damage boosts, Tribbie delivering buffs and comprehensive penetration, and Mydei rapidly charging Castorice’s ultimate through HP usage — she can function effectively with a broader team composition.
When assembling a team for Castorice, here are key attributes to focus on:
- A healer who can provide frequent healing or a character who consistently uses HP
- A support unit that can shred enemy defenses, boost damage (not attack), or, to a lesser extent, enhance Castorice’s crit rate and crit damage
- An additional support or sub-DPS unit
Ruan Mei, a free character in HSR 3.2, proves to be a brilliant buffing choice, while the free Remembrance Trailblazer also pairs effectively with her. Moreover, Robin is another solid option, offering a flat damage increase and an ultimate that allows allies to attack again.
Pela stands out as one of the most dependable debuffers, easily diminishing enemy defenses. Other viable choices include:
- Black Swan
- Silver Wolf
- Fugue
- Jiaoqiu
Sub-DPS options are somewhat limited among characters capable of absorbing HP, with Blade, Mydei, and Jingliu being the prime candidates. On the healing front, Luocha, Gallagher, and Huohuo stand out, providing healing each time characters act.
Evaluating Castorice’s Tier Status in Honkai Star Rail
In our tier rankings, Castorice is categorized in the S-tier, albeit with certain considerations. Similar to Aglaea, she faces challenges stemming from her reliance on her signature Light Cone, primarily due to the lack of sufficient Remembrance cones to provide players with diverse options. Furthermore, her ultimate charges through HP loss and recovery rather than energy, restricting her flexibility compared to other DPS characters.
Fortunately, with characters like Gallagher and Luocha becoming more easily accessible, players can secure a reliable source of HP recovery, even without characters like Mydei or Blade to amplify her abilities.
Her high damage output coupled with the impressive All-Type Resistance Penetration that her sprite offers solidifies Castorice as a formidable choice, especially in light of the limited options available for capitalizing on Quantum weaknesses.
For additional resources, visit our Star Rail codes page for freebies that will assist your next acquisition endeavors, whether you are chasing after Tribbie or saving for an upcoming banner.
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