Golden Frostbound Oath is a 5-star Bow arriving in Genshin Impact Version 6.5 (Luna VI) as Linnea's signature weapon. It is her best-in-slot option and the only weapon that provides a partywide Lunar-Crystallize damage buff. The natural question for anyone pulling Linnea is whether the bow justifies the extra Primogem investment on top of securing the character herself.
Quick answer: Golden Frostbound Oath is not a mandatory pull. Linnea performs well with free and 4-star alternatives — particularly R5 Slingshot — and the Primogems are generally better spent elsewhere unless you are pushing the hardest endgame content with a dedicated Geo roster.
Golden Frostbound Oath stats and passive breakdown
| Stat | Value |
|---|---|
| Base ATK | 542 |
| Secondary stat | 88.2% CRIT DMG |
| DEF increase (passive) | 16% |
| Geo DMG bonus (user, "Frost Fae's Favor") | 40% |
| Lunar-Crystallize Reaction DMG bonus (user) | 40% |
| Geo DMG bonus (party, "Frost Fae's Mischief") | 20% |
| Lunar-Crystallize Reaction DMG bonus (party) | 20% |
| Frost Fae's Favor duration | 6 seconds |
| Frost Fae's Mischief condition | Moondrifts must exist near the user |
The passive triggers whenever Linnea's Elemental Skill or any Lunar-Crystallize attack hits an enemy. Because Linnea's damage scales primarily off DEF, the flat 16% DEF increase directly improves both her personal damage and her EM-based team buff. The 40% Geo DMG and 40% Lunar-Crystallize Reaction DMG bonuses stack on top of that for her own hits, while the 20% partywide version of each buff activates as long as Moondrifts are present — a condition that Lunar-Crystallize teams satisfy almost constantly. Importantly, the partywide buff works even while Linnea is off-field, which aligns perfectly with her quick-swap playstyle of casting Skill (and optionally Burst) before switching to your main DPS.
What the signature weapon actually changes
The personal damage gains from Golden Frostbound Oath over budget options are real but not dramatic. Linnea's Elemental Skill damage, her primary contribution, benefits from the CRIT DMG secondary stat and the DEF/Geo DMG/Lunar-Crystallize bonuses. However, the more meaningful advantage is the 20% partywide Geo DMG and Lunar-Crystallize Reaction DMG buff — something no other weapon provides. In a fully invested Lunar-Crystallize team where Moondrift reaction damage makes up a large share of total output, that team buff translates into a noticeable DPS ceiling increase.
That said, Lunar-Crystallize reaction damage ignores conventional DMG% bonuses in its scaling formula. This means the partywide buff from Golden Frostbound Oath specifically targets the Lunar-Crystallize Reaction DMG multiplier rather than generic elemental damage. It is powerful within Lunar-Crystallize teams but does absolutely nothing outside of them. You cannot repurpose this bow as a stat stick for other DPS characters because the passive is entirely Geo- and Lunar-Crystallize-locked.
Budget weapon alternatives for Linnea
Linnea does not need high Base ATK because her kit scales off DEF and EM. This opens up some surprisingly competitive low-rarity options.
| Weapon | Rarity | Why it works |
|---|---|---|
| Slingshot (R5) | 3-star | CRIT Rate substat; strong personal damage at zero cost. Cleared all endgame content in early testing. Watch for CRIT Rate overcap if running C6 Illuga. |
| Snare Hook | 4-star | Crit-oriented substat; solid alternative when Slingshot causes overcap issues. |
| Favonius Warbow | 4-star | Energy Recharge helps Linnea Burst more consistently for healing; trades personal damage for team utility. |
| Elegy for the End | 5-star | Existing owners can try it, but excessive ER, low buff uptime, and a wasted ATK buff make it underwhelming — potentially not even better than Slingshot. |
Early access testing confirmed that R5 Slingshot was sufficient to clear all current endgame content, including the Radiant Moongecko boss fight, and high-difficulty Stygian Onslaught runs. The signature weapon only became noticeably impactful when pushing Ningguang teams in Fearless difficulty, and even that gap might close with better artifact optimization.
Who benefits most from pulling the signature weapon
Golden Frostbound Oath makes the most sense for players who meet all of the following conditions:
- You already have Linnea secured and have leftover Primogems or are comfortable with weapon banner pity.
- You run a dedicated Lunar-Crystallize team — typically Linnea + Zibai (or Navia/Itto) + Columbina + Illuga/Gorou — and want to maximize that team's ceiling.
- You are targeting the hardest endgame content (Fearless/Dire Stygian Onslaught) where marginal team DPS gains matter.
If you are primarily clearing Spiral Abyss Floor 12 or standard Stygian Onslaught, the difference between Golden Frostbound Oath and Slingshot is unlikely to determine whether you full-star or not. The bow is a luxury upgrade, not a gating factor.
Who should skip it
Several player profiles should save their Primogems:
- Players not pulling Linnea. The passive is useless on any other character.
- Players without Lunar-Crystallize teams. If you don't run Geo + Hydro compositions that trigger Moondrifts, the weapon's core value disappears.
- Players who need to invest in main DPS weapons. Linnea is a support/sub-DPS. Spending weapon banner pity on your carry's signature weapon (Zibai, Navia, or whoever leads your team) will almost always yield a larger total DPS increase than upgrading Linnea's bow.
Linnea's role is comparable to other premium supports like Escoffier or Columbina — she provides a meaningful upgrade to Geo teams (roughly 20%+ team DPS improvement over 4-star alternatives like Gorou), but she is not the kind of character whose signature weapon is essential to unlock her core functionality. Her buffs, healing, Geo Resistance shred, EM sharing, and off-field sub-DPS all work at full capacity regardless of which bow she holds.
Linnea build context for weapon decisions
Understanding Linnea's build priorities helps clarify why the weapon gap is smaller than it looks on paper. Her recommended artifact mainstats are DEF/DEF/CRIT (or triple DEF), and a DEF goblet outperforms a Geo DMG goblet because DMG% has diminished returns in her kit while DEF feeds into both her damage and her team EM buff. The two competitive artifact sets — Aubade of Morningstar and Moon (personal damage) and Husk of Opulent Dreams (slightly more team buffs) — both produce similar overall results.
Because so much of her output comes from artifact stats and talent scaling rather than weapon-specific multipliers, the marginal gain from Golden Frostbound Oath over a well-built Slingshot setup is real but contained. The partywide buff is the main differentiator, and while 20% Geo DMG + 20% Lunar-Crystallize Reaction DMG for the whole team is genuinely strong, it is not the kind of make-or-break advantage that justifies weapon banner pity for most accounts.
Golden Frostbound Oath is a well-designed signature weapon that rewards committed Lunar-Crystallize players with a meaningful team damage ceiling increase. But Linnea's independence from her signature bow is one of her strengths as a character. If you are pulling for her in Version 6.5, prioritize securing the character first and let the weapon decision come down to how many Primogems you have left and how seriously you pursue the hardest content tiers.