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For most teams that run Xilonen as an off-field support, Peak Patrol Song is the weapon to aim for. It is her signature, and the guides we checked rank it first because its team Elemental DMG bonus is easy to stack. Favonius Sword is the main alternative when your team needs energy more than it needs a damage buff. The ranking below is conditional on what your team lacks. None of the sources runs a controlled team-damage comparison, so treat each placement as a role-fit trade-off rather than a measured damage gain.
What Xilonen needs from a support weapon
Xilonen’s support value centers on Elemental RES shred and team buffs, and her Burst provides healing. A support weapon therefore has to do one of three jobs: amplify the team’s damage, supply energy so the team can use its Bursts on time, or make Xilonen herself sturdier and better at healing. Peak Patrol Song leans toward the first job, Favonius Sword toward the second, and the Flute of Ezpitzal toward the third.
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How the five options compare
| Weapon | Team-facing effect | Team energy | Best fit | Acquisition |
|---|---|---|---|---|
| Peak Patrol Song | Team Elemental DMG bonus that KeqingMains describes as easy to stack | None; GameWith notes the weapon does not generate energy | Teams whose energy needs are already covered | Not stated in the consulted guides |
| Favonius Sword | Energy Recharge, plus team particles on CRIT hits | Yes, through particles on CRIT hits | Teams where energy is the bottleneck; needs enough CRIT Rate for the passive to fire consistently | Not stated in the consulted guides |
| Freedom-Sworn | Normal, Charged, and Plunging Attack buffs | None; the weapon does not solve energy needs | Teams whose main damage dealer benefits from those attack types | Not stated in the consulted guides |
| Flute of Ezpitzal | Increases DEF; supports healing and personal damage | None | Teams with low energy needs where Favonius is unavailable | Craftable |
| Skyrider Sword or a leveled ER sword | Energy Recharge on the wielder (ER sword); Skyrider Sword’s effect not stated in the consulted guides | Not stated | Temporary stopgap while better options are unavailable | Skyrider Sword described by Icy Veins as accessible; ER sword depends on what you already own |
Ranked picks and when each one fits
1. Peak Patrol Song: general best-in-slot
KeqingMains calls Peak Patrol Song Xilonen’s signature and general best-in-slot weapon. It combines DEF scaling with a team Elemental DMG bonus, which is why GameWith also places it first among premium off-field support options. Its weakness is that it generates no energy. If your team’s Bursts are chronically late, or the Burst-heavy character needs particles, the weapon’s damage buff will not fix that, and you should move down the list.
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Favonius Sword gives Energy Recharge and can generate particles for the team on CRIT hits. Its passive only helps if Xilonen lands enough CRIT Hits, so build enough CRIT Rate before you commit to it. KeqingMains calls it Xilonen’s second-best option overall and says its team-energy value persists even when Xilonen already has adequate Energy Recharge. That makes it the right pick when energy is the real constraint rather than damage.
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3. Freedom-Sworn: situational attack-type buffs
Freedom-Sworn is worth using when your team’s damage pattern benefits from its Normal, Charged, and Plunging Attack buffs. It is not an automatic second choice in every team. Its buffs must match the main damage dealer, and the effect may require changing Xilonen’s rotation so the passive actually triggers. It also does nothing for energy, so it rarely beats Favonius on a team that is short on particles.
4. Flute of Ezpitzal: craftable DEF fallback
The Flute of Ezpitzal is a craftable, DEF-focused option. It supports healing and personal damage but adds no team energy utility. KeqingMains positions it as an acceptable placeholder where Favonius Sword is unavailable and Xilonen’s energy needs are already low. It is the most accessible way to give Xilonen a DEF-oriented weapon without waiting for a specific pull.
Rank #2
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5. Skyrider Sword or an already leveled ER sword: stopgap
When better options are not available, an ER sword you already own can help you reach the energy requirement KeqingMains lists for Xilonen. Icy Veins describes the Skyrider Sword as an accessible temporary option. Neither is a long-term build target, and both should be replaced once you have Favonius Sword or Peak Patrol Song.
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KeqingMains gives support stats as Energy Recharge or DEF% Sands, DEF% Goblet, and DEF% or CRIT Rate with Favonius or Healing Bonus on the Circlet. Its priority order is:
- Energy Recharge until your requirement is met.
- CRIT Rate next, if you are using Favonius Sword.
- DEF after that.
For the signature weapon, KeqingMains uses 3,200 DEF as its build target. That is one guide’s target for its own rotation, not a threshold that applies to every team. GameWith lists Energy Recharge ranges that vary depending on whether Xilonen catches particles and gives similar advice on CRIT Rate for Favonius. Use those ranges as starting points, then adjust for your rotation, teammates, enemy particle generation, and how often your Burst comes up.
Quick Recap
Rank #4
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Patch and date notes
The guides were published or updated on different dates, and rankings shift with game patches. KeqingMains is labeled for Version 5.4. GameWith says it was updated on October 8, 2026, and Icy Veins says April 13, 2026. Mobalytics does not state a date in the version we reviewed. Before you spend resources, check the in-game weapon text and banner information, because acquisition details and weapon effects can change.
Sources
- KeqingMains, “Xilonen Quick Guide” (labeled for Version 5.4): https://keqingmains.com/q/xilonen-quickguide/
- GameWith, “Xilonen Best Build Guide” (updated October 8, 2026): https://gamewith.net/genshin-impact/article/show/47145
- Icy Veins, “Xilonen Guide and Best Builds” (updated April 13, 2026): https://www.icy-veins.com/genshin-impact/xilonen-guide-best-builds
- Mobalytics, “Xilonen Build Guide – Weapons, Artifacts, & More”: https://mobalytics.gg/genshin-impact/characters/xilonen-build-guide
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