In the volcanic landscapes of Natlan, a new force emerges with Genshin Impact's Version 5.1 update. Xilonen, the 5-star Geo sword wielder, arrives not as a frontline warrior but as a meticulous battlefield conductor. Her debut intertwines with the Pyro Archon Mavuika's storyline, introducing a support specialist whose Geo resonance acts like tectonic plates shifting beneath combat – invisibly shaping outcomes while enabling destructive eruptions from allies. Unlike conventional damage dealers, Xilonen thrives in calculated interference: shredding elemental resistances, patching allies' wounds through her burst, and amplifying team damage like a master puppeteer pulling invisible strings. For players who've leveled her to 90, the real alchemy begins with optimizing her gear – a process demanding precision in weapon choice and stat calibration.

🔪 Best Weapons For Xilonen: DEF-Focused Blades

Xilonen's effectiveness hinges on DEF scaling, making weapon selection a cornerstone of her build:

• Peak Patrol Song (Signature 5★): The undisputed champion. At Lv90, it grants 542 ATK and a colossal 82.6% DEF substat. Its passive stacks Ode To Flowers 🌸 via Normal/Plunging attacks (max 2 stacks), boosting wielder's DEF by 16% and team's Elemental DMG by up to 26.6% – synergizing perfectly with her RES-shred mechanics.

• Freedom-Sworn (5★ Alternative): When signature is unavailable, this EM-focused sword (608 ATK, 198 EM) compensates. Its Sigils of Rebellion trigger off-field, granting 20% ATK + 16% NA/CA/PA DMG to allies – like igniting a secondary combustion chamber in team rotations.

• 4★ Contenders:

• Flute of Ezpitzal: Natlan's regional weapon (454 ATK, 69% DEF) with 16% DEF boost on Skill activation

• Cinnabar Spindle: DEF stat twin (69%) that converts 40% DEF into Skill DMG

• Favonius Sword: ER safety net (61.3% ER) for smoother Burst uptime

🧿 Best Artifacts & Stats: The DEF-ER Duo

Xilonen demands minimal stat diversification, concentrating value into two pillars:

Artifact Set:

• 4pc Scroll of the Hero of Cinder City: Ideal for reaction-heavy teams. 2pc regenerates 6 Energy on ally Nightsoul Bursts. 4pc shines by granting teammates 12% Elemental DMG bonus for reacted elements ⚡️🔥💧❄️ – surging to 40% during Nightsoul’s Blessing. This transforms Xilonen into a prismatic amplifier, refracting elemental strengths across the party.

Stat Priority:

1. Sands: DEF% (primary) > ER

2. Goblet: DEF%

3. Circlet: DEF% or Healing Bonus (for Burst sustain)

4. Substats: ER (160-180%) > DEF% > CRIT Rate/DMG (secondary) > HP%

Her scaling’s elegance lies in avoiding split-stress – DEF fuels both offense and support capacities simultaneously, like geothermal energy powering turbines and heating systems from one source.

👥 Best Team Comps: Versatile Resonance Architect

Xilonen’s RES-shred thrives in elemental soups 🍲, not mono-Geo broths. Her versatility enables:

Team Archetype	Core Members	Synergy Mechanics
Hydro Hypercarry	Neuvillette + Xilonen + Flex	Hydro RES shred amplifies Neuvillette’s tidal DMG
Crystallize Artillery	Navia + Pyro/Electro Sub-DPS + Xilonen	Geo-Pyro/Electro triggers trigger artifact bonuses
Elemental Salad	Kazuha + Xilonen + Elemental DPS	Double RES-shred layers like volcanic sediment
Mono-Pyro	Pyro DPS + Xilonen + Healer	DEF-boosted Burst healing sustains aggression

Surprisingly, pairing her with Kazuha creates resonance akin to harmonic frequencies – their combined debuffs stacking multiplicatively. When healing feels insufficient, slotting Bennett or Furina adds mending layers without compromising her core function.

⚙️ Skill Priority: RES-Shred First Philosophy

Resource allocation follows strict hierarchy:

1. Elemental Skill (Top Priority): The linchpin of her kit. Upgrading enhances RES shred potency – the scalpel that dissects enemy defenses.

2. Elemental Burst (Secondary): Elevates healing/damage. Source Sample manipulation (element-swapping) unlocks advanced utility.

3. Normal Attacks (Optional): Can remain unleveled to conserve resources unless plunge-attack strategies are employed.

This approach mirrors tuning a rare instrument 🎻 – focus on the strings producing the richest harmonics first. Energy Recharge investments act as her metronome, ensuring Burst rhythm aligns with team rotations.

Xilonen redefines Geo supports not through brute force, but through calculated vulnerability engineering. Like a seismologist predicting tectonic shifts, she exposes fissures in enemy defenses for allies to exploit. Building her requires embracing minimalist stat philosophy – where DEF becomes both shield and catalyst – while team compositions transform her from a solitary stone into the keystone of elemental symphonies. As Natlan's battles intensify in 2025, Xilonen stands poised not in the spotlight, but as the unseen architect of victory.