Crimson Desert's combat progression hinges on two distinct weapon upgrade paths. One is a straightforward stat boost handled by Blacksmith NPCs scattered across Pywel. The other is a deeper customization layer involving Abyss Gear — special modifier items that add passive effects like increased attack speed, bonus damage, or unique properties such as "Rampaging Insight." Both systems are essential if you want to push into higher-level regions of the map.
Quick answer: Visit a Blacksmith to refine your weapon's base stats using in-game currency and gathered materials, then find a Witch vendor to slot Abyss Gear onto your weapons and armor for additional stat bonuses and special effects.

Refining Weapons at a Blacksmith
The primary upgrade method in Crimson Desert is called Refining. You bring a weapon to any Blacksmith NPC, and the vendor shows you which items in your inventory are eligible for enhancement, along with a preview of the stat improvements. If the numbers look good, confirm the upgrade, and your weapon's base stats increase immediately.
Step 1: Locate a Blacksmith. These vendors appear in most major cities and settlements throughout Pywel. Larger cities are the safest bet, though smaller outposts occasionally have one as well.
Step 2: Interact with the Blacksmith and select the weapon you want to refine. The interface displays a before-and-after comparison of the weapon's stats so you can evaluate the improvement before committing.
Step 3: Confirm the enhancement. Some upgrades cost only in-game currency, but others require specific materials gathered from the open world — mining nodes, hunting drops, quest rewards, or loot from powerful bosses. If you're short on a particular resource, the Blacksmith menu will show exactly what you still need.

Upgrade Materials and Where to Find Them
Materials for refining weapons come from a wide range of activities. The table below covers the main sources.
| Source | What You Get |
|---|---|
| Mining nodes in the open world | Ore and mineral-type crafting materials |
| Hunting animals | Hide, bone, and organic upgrade components |
| Defeating bosses | Rare materials, unique equipment, and signature abilities |
| Quest rewards | Mixed materials and sometimes pre-refined gear |
| Hidden locations and exploration | High-value materials tucked into hard-to-reach spots |
Boss encounters deserve special attention. Some equipment earned from bosses grants access to their signature abilities or provides unique effects and bonuses that standard gear cannot match. Seeking out and defeating these enemies is one of the most rewarding ways to power up.
Abyss Gear — Adding Special Effects Through Witch Vendors
Refining raises raw numbers, but Abyss Gear is where build customization really opens up. Abyss Gear items are stat modifiers that slot onto your weapons and armor, granting passive bonuses on top of your refined base stats. Effects range from straightforward boosts like extra attack speed and critical hit chance to named properties like "Rampaging Insight."
Step 1: Obtain Abyss Gear. These items drop from enemies, appear as quest rewards, can be purchased from certain vendors, or are discovered while exploring Pywel's open world.
Step 2: Find a Witch vendor. Unlike Blacksmiths, Witch NPCs tend to set up shop on the outskirts of major cities rather than in the town center. Every major region has at least one.
Step 3: Interact with the Witch and assign your Abyss Gear to the desired weapon or armor piece. You can mix and match modifiers across your entire loadout, so experiment with different combinations to find what works best for your playstyle.
The freedom Abyss Gear provides is significant. A player who favors fast, aggressive combat might stack attack speed modifiers across multiple equipment slots, while someone who prefers heavy hits can load up on raw damage bonuses. Swapping Abyss Gear loadouts lets you tailor a single weapon to different combat scenarios without needing an entirely new piece of equipment.

Artifacts and Skill Progression
Weapon upgrades are only one piece of Crimson Desert's progression puzzle. Artifacts — fragments of the Abyss scattered across Pywel — serve as the backbone of character growth. Acquiring artifacts through quests, combat encounters, and exploration lets you increase core stats like health and stamina, unlock new combat skills for deeper combo chaining, and strengthen existing abilities.
Some skills and upgrades cannot be obtained through artifacts alone. Certain techniques must be observed firsthand in the world, rewarding players who pay attention to NPC combat styles and environmental encounters. Elemental enhancements, for instance, empower key abilities with fire, ice, or stun effects, adding another layer of tactical depth on top of your weapon's refined stats and slotted Abyss Gear.
Blacksmith vs. Witch Vendor Comparison
| Feature | Blacksmith (Refining) | Witch (Abyss Gear) |
|---|---|---|
| What it does | Raises weapon base stats | Adds passive effects and bonus stats |
| Cost | Currency + gathered materials | Abyss Gear items (found, looted, or bought) |
| Location | Inside major cities and settlements | Outskirts of major cities |
| Swappable? | Permanent stat increase | Abyss Gear can be mixed and matched freely |
| Required for progression? | Yes — higher regions demand refined gear | Not strictly required, but strongly recommended |
Keeping both upgrade paths active is the most reliable way to stay competitive as you push deeper into Pywel. Refine your weapons at Blacksmiths whenever you have the materials, and regularly revisit Witch vendors to slot new Abyss Gear as better modifiers become available. The combination of raw stat growth and customizable passive effects gives you the flexibility to adapt your loadout to whatever Crimson Desert throws at you next.