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Dark Souls 3: Ultimate Guide to Obtaining the Onyx Blade & Optimal Builds

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Overview
The Onyx Blade stands as one of Dark Souls 3’s most coveted weapons, blending dark damage with sleek design. This guide provides a step-by-step walkthrough for acquiring the Onyx Blade in the Ashes of Ariandel DLC, strategies for defeating Sir Vilhelm, and build recommendations to maximize its potential. Whether you’re a pyromancer or quality-build enthusiast, unlock this weapon’s full power with our expert insights.

1. How to Obtain the Onyx Blade

1.1 Accessing the Ashes of Ariandel DLC

Step 1: Reach the Cleansing Chapel bonfire in the Cathedral of the Deep.
Step 2: Speak to Slave Knight Gael (kneeling near the altar) to trigger the DLC.
Step 3: Interact with the painting fragment to enter the Painted World of Ariandel.

Note: While accessible early, this area is designed for late-game levels (SL 70+ recommended).

1.2 Locating Sir Vilhelm

First Encounter: Find him non-hostile in the Snowy Mountain Pass chapel, near Sister Friede.
Second Encounter: Head to the Corvian Settlement library. He becomes aggressive here.

1.3 Defeating Sir Vilhelm

Weaknesses:

Strike Damage: Use maces or hammers.
Frost Resistance: Equip armor with high frost defense (e.g., Millwood Knight Set).

Strategy:

Bait his Weapon Art (Onyx Blade’s flame buff) and counter with backstabs.
Use shields with 100% physical block (e.g., Black Knight Shield).

Rewards:

Onyx Blade (Greatsword)
Contraption Key (DLC progression item)
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2. Onyx Blade Stats & Scaling

Attribute	Base Value	+10 Value (Heavy Gem)	Scaling
Physical Attack	129	220	D/D (Str/Dex)
Dark Attack	157	202	–
Requirements	14 Str / 12 Dex / 15 Int/Fth

Weapon Art: Elfriede’s Blackflame (adds 80 fire damage for 45 seconds).

3. Best Builds for the Onyx Blade

3.1 Quality Build (Strength/Dexterity)

Stats: 40 Str / 40 Dex / 15 Int/Fth (minimum for requirements).
Infusion: Heavy or Sharp Gem for physical damage focus.
Rings:

Prisoner’s Chain (stat boost)
Ring of Favor (stamina/health)

3.2 Pyromancer Hybrid

Stats: 30 Int / 30 Fth / 18 Str/Dex.
Infusion: Chaos or Dark Gem for elemental scaling.
Synergy: Pair with pyromancies like Black Flame for burst damage.

3.3 Dark Knight Build

Stats: 40 Int/Fth / 20 Str/Dex.
Rings: Blindfold Mask (boosts dark damage by 20%).
Spells: Affinity or Dark Edge for combo setups.

4. Pro Tips for Farming & Preparation

4.1 Essential Gear

Rings of Sacrifice: Found in:

Firelink Shrine (purchased from the Shrine Handmaid after Irithyll).
Untended Graves (hidden area).

Soul Protection: Equip Shield of Want (+20% souls) for efficient farming.

4.2 Soul Farming Spots Pre-DLC

Grand Archives: Farm Winged Knights (15,000 souls each).
Lothric Castle: Kill Lothric Knights (2,500 souls each).

5. DLC Progression & Lore Connections

5.1 Lore Significance

Sir Vilhelm: A knight loyal to Sister Friede, wielding the blade to protect the Painted World’s secrets.
Onyx Blade’s Origin: Forged from the Abyss, linked to the Sable Church of Londor.
5.2 Post-Vilhelm Steps
Use the Contraption Key to unlock the tower near the chapel, revealing the path to Ariandel Chapel.

Apr-28-2025

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