Players eager to utilize Castorice in Honkai Star Rail can begin collecting her necessary materials ahead of her banner release. Scheduled for the first phase of version 3.2, Castorice will be available starting April 9, 2025. As a Quantum element character from the Remembrance Path, the materials required for her ascension and Traces are crucial for building a powerful roster.
This guide delves into the specific materials needed for Castorice in Honkai Star Rail, offering players a roadmap to maximize their pre-farming efforts.
Essential Ascension and Trace Materials for Castorice
To fully ascend Castorice, players must gather various materials that HoYoverse has already detailed. Below is the list of the essential materials for her ascension:
- Darkveil Moonlight x65
- Ethereal Omen x15
- Echoing Wail x15
- Eternal Lament x15
- 308,000 Credits
In addition to ascension, enhancing Castorice’s Traces is critical for her performance. The following materials are required to upgrade her Traces:
- Auspice Sliver x12
- Flower of Alaya x139
- Seedling of Manas x69
- Bija of Consciousness x18
- Ethereal Omen x41
- Echoing Wail x56
- Eternal Lament x58
- Tracks of Destiny x8
- 3,000,000 Credits
Collecting Castorice’s Materials in Honkai Star Rail
Darkveil Moonlight

As a key ascension item for Quantum characters, Darkveil Moonlight is obtainable from the Shape of Gelidmoon Stagnant Shadow located in the “Murmuring Woods”Grove of Epiphany. Alternatively, players can convert various materials into Darkveil Moonlight using the Material Exchange feature.
Ethereal Omen, Echoing Wail, and Eternal Lament

These materials drop from Black Tide Creatures when players reach Equilibrium Level 4 or higher. Additionally, they can be sourced through the Omni-Synthesize feature, found in the Simulated Universe, or from the Divergent Universe.
Flower of Alaya, Seedling of Manas, and Bija of Consciousness

These three materials can be collected from the Bud of Remembrance Calyx (Crimson) domain. Players will need to utilize resin at the “Strife Ruins,”specifically within Castrum Kremnos. If you have sufficient resources in your inventory, consider the material exchange or synthesis as an alternative.
Auspice Sliver

The Auspice Sliver is collectible from weekly boss fights at the Inner Beast’s Battlefield, found in Echo of War in Skysplitter, The Xianzhou Luofu.
Tracks of Destiny

Tracks of Destiny can be obtained from various sources, including rewards in the Simulated Universe Points, Nameless Honor, and limited-time events. Additionally, players can find these items in the Deep Web Gray Market, Embers Exchange, and Starlight Exchange.