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How to Use Vaal Infuser in Path of Exile 2

Published on:Dec 15,2025
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What is Vaal Infuser?

Vaal Infuser is a currency item used to increase the quality of certain gear above the normal 20% limit, up to a maximum of 30%.

It can be used on:

  • Martial Weapons
  • Caster Weapons
  • Armour

When you use a Vaal Infuser, there is always a chance the item becomes corrupted. Corruption prevents further crafting on that item, so the decision to use it matters.

Most players treat Vaal Infuser as a late-step upgrade, used only after they are satisfied with the item's mods.

PoE 2 Currency Guide: What Vaal Infuser Does

PoE 2 Vaal Infuser Explained: How It Works and When to Use It

What does Vaal Infuser actually do in practice?

In general, quality improves the base effectiveness of an item:

  • Weapons usually gain more damage from higher quality
  • Armour gains more defensive value

Going from 20% to 30% quality is a small but real increase, especially on high-end bases. That extra value matters more for finished gear than for temporary leveling items.

Because corruption is possible, most players assume the item is “final” before using a Vaal Infuser.

How do you use Vaal Infuser?

Using a Vaal Infuser is straightforward:

  1. Right click the Vaal Infuser
  2. Left click a valid weapon or armour item

Important usage details:

  • Stack Size: 10
  • It only works on Martial Weapons, Caster Weapons, or Armour
  • It only affects items already above 20% quality
  • The item may become corrupted when applied

Most players apply it after all other crafting steps are done, since corruption can block future changes.

When should you use Vaal Infuser?

Most players use Vaal Infuser when:

  • The item already has good mods
  • The item is close to end-game ready
  • They are willing to accept corruption

In general, it is not used on early or mid-game gear. The risk is usually not worth it unless the item is already strong.

How do you get Vaal Infuser?

Vaal Infuser does not drop everywhere. It has restrictions on how it can be obtained.

The most common way to get it is through Atziri's Temple:

  • It can be taken instead of using the crafting bench
  • This happens in a Tier 3 Smithy (Golden Forge) room

Most players encounter Vaal Infuser by fully upgrading the Smithy room and choosing it as a reward, rather than crafting directly.

Why do players choose Vaal Infuser over the crafting bench?

In general, players choose Vaal Infuser when:

  • They want quality beyond 20%
  • The item is already finished
  • They are comfortable with the corruption risk

The crafting bench is safer and more flexible, but it cannot push quality past the normal limit. Vaal Infuser trades safety for extra power.

Summary

Vaal Infuser is a specialized currency item used to push weapons and armour beyond the normal quality cap. It is most useful on finished gear, where the extra quality provides meaningful value and corruption is an acceptable risk. Most players encounter it through Atziri's Temple and use it carefully, knowing it is usually the final step in an item's progression.


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