Linnea is a five-star Geo Bow character who combines off-field damage, teamwide healing, Geo RES reduction, and Lunar-Crystallize support. A single Skill tap enables her sustained off-field playstyle, while five Skill taps deliver a front-loaded Lunar-Crystallize hit for quickswap teams. The correct setup depends on which playstyle your team uses. Check our Linnea build guide for weapons, Artifacts, and stat targets, then explore the best Linnea teams for suitable teammates and complete rotations.
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Linnea Ascension Materials

| Ascension | Prithiva Topaz | Etherwing Moth | Warrant | Boss material |
| Level 20 | 1 Sliver | 3 | 3 Tattered | — |
| Level 40 | 3 Fragments | 10 | 15 Tattered | 2 Plumes |
| Level 50 | 6 Fragments | 20 | 12 Immaculate | 4 Plumes |
| Level 60 | 3 Chunks | 30 | 18 Immaculate | 8 Plumes |
| Level 70 | 6 Chunks | 45 | 12 Frost-Etched | 12 Plumes |
| Level 80 | 6 Gemstones | 60 | 24 Frost-Etched | 20 Plumes |
Linnea Local Specialty: Etherwing Moth

Linnea requires 168 Etherwing Moths. They are found across Dornman Port in northern Mondstadt and the Temple of Space. Most of the available Etherwing Moths are concentrated inside the Temple of Space area.
Start the World Quest A Long Day in the Mountain at Dornman Port to unlock the Temple of Space. Complete both areas during the same farming route, then continue collecting in another player’s world after receiving permission.
Linnea Boss Material: Plume of the Fallen Watcher

Collect 46 Plumes of the Fallen Watcher from Watchers: Fallen Vigil. This world boss is located in Dornman Port, northwest of the Old Sanatorium Site.

Open the Adventurer Handbook or select the material from Linnea’s ascension screen to track the boss. Claiming its rewards consumes Original Resin.
Linnea Common Enemy Drops: Warrants

Fatui Oprichniki drop the complete Warrant family:
- Tattered Warrant
- Immaculate Warrant
- Frost-Etched Warrant
Large groups of Fatui Oprichniki appear around Nod-Krai, including the Kuuvahki Experimental Design Bureau. Use the Adventurer Handbook to track them, but continue exploring after tracking ends because the Handbook does not display every location.
Keep enough low-rarity Warrants for Linnea’s early ascensions and Talent levels before converting the remaining drops through alchemy.
Mora and Character EXP Requirements
Raising Linnea from level 1 to 90 consumes 8,362,650 Character EXP and 1,673,400 Mora. Her six ascensions require another 420,000 Mora.
Leveling all three Talents to 10 adds 4,957,500 Mora. The total character, ascension, and triple-crown cost is 7,050,900 Mora, excluding weapon upgrades and Artifact enhancement.
Linnea Talent Materials

Vagrancy Talent Books
Linnea uses the Vagrancy Talent book series from the Lightless Capital Domain of Mastery in Nod-Krai.

The Vagrancy challenge is available on:
Triple-crowning Linnea requires 9 Teachings, 63 Guides, and 114 Philosophies. Spend the books on her Elemental Skill first. Her Burst is the second priority, while the Normal Attack Talent remains at level 1 in standard builds.
Elixir of the Heretic

Talent levels 7–10 require Elixir of the Heretic, obtained from The Doctor Trounce Domain at the Special Territory Research Institute in Nod-Krai.

One level-10 Talent requires 6 Elixirs. Triple-crowning requires 18. When the boss gives a different weekly material, use Dream Solvent at an alchemy bench to convert it.
Crown of Insight

Each Talent requires one Crown of Insight for level 10. Use the first Crown on Linnea's Elemental Skill. Use another on her Burst only when the stronger healing provides practical value to the team.
Her Normal Attack Talent does not improve Lumi's off-field attacks or Lunar-Crystallize damage.
Materials for One Talent
| Talent level | Mora | Vagrancy books | Warrants | Weekly material |
| 1 → 2 | 12,500 | 3 Teachings | 6 Tattered | — |
| 2 → 3 | 17,500 | 2 Guides | 3 Immaculate | — |
| 3 → 4 | 25,000 | 4 Guides | 4 Immaculate | — |
| 4 → 5 | 30,000 | 6 Guides | 6 Immaculate | — |
| 5 → 6 | 37,500 | 9 Guides | 9 Immaculate | — |
| 6 → 7 | 120,000 | 4 Philosophies | 4 Frost-Etched | 1 Elixir |
| 7 → 8 | 260,000 | 6 Philosophies | 6 Frost-Etched | 1 Elixir |
| 8 → 9 | 450,000 | 12 Philosophies | 9 Frost-Etched | 2 Elixirs |
| 9 → 10 | 700,000 | 16 Philosophies | 12 Frost-Etched | 2 Elixirs and 1 Crown |
Golden Frostbound Oath Materials
Golden Frostbound Oath is Linnea's signature five-star Bow. Leveling it to 90 requires Long Night Flint, Flaming Hilts, Warrants, weapon EXP, and Mora.

| Material family | Total required |
| Long Night Flint | 5 Ember, 14 Afterglow, 14 Flare, 6 Blaze |
| Flaming Hilt | 23 Faded, 27 Fractured, 41 Jeweled |
| Warrant | 15 Tattered, 23 Immaculate, 27 Frost-Etched |
| Ascension Mora | 225,000 |
Farm the Long Night Flint series from Lost Mooncourt: Domain of Forgery – Prayers Sung on Tuesday, Friday, and Sunday.

Flaming Hilts drop from Domain Keepers in the Temple of Space. Warrants drop from Fatui Oprichniki throughout Nod-Krai.

Linnea Materials FAQ
What boss material does Linnea use?
Linnea uses 46 Plumes of the Fallen Watcher from Watchers: Fallen Vigil for character ascension.
What Talent books does Linnea use?
Linnea uses the Vagrancy series from Lightless Capital. The domain is open on Wednesday, Saturday, and Sunday.
Can all Linnea materials be farmed now?
Yes. Every character, Talent, and signature weapon material listed in this guide is available in the live game.
Should you triple-crown Linnea?
No. Her Elemental Skill is the main Talent priority. Upgrade her Burst for healing and leave her Normal Attack at level 1 in a standard off-field build.
Conclusion
Linnea's farming priority is character level 90, Elemental Skill levels, and her main weapon. Collect the weekly boss materials first, schedule the Vagrancy and Long Night Flint domains around their available days, and leave Artifact farming until the guaranteed upgrades are complete.