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Viper Armor | The Witcher 3: Hearts of Stone

Author

Emma Valentine

Published Apr 13, 2026

Viper Armor is a new Witcher gear set from the Hearts of Stone expansion. It’s a level 39 medium set which has a great armor rating and provides near immunity to poison.'; document.getElementById("serge_648ac998c20ba86b43957c42").style.display = "block"; } To obtain it, you’ll have to find the diagrams for it, a bunch of materials and a capable artisan. In this guide, we’re going to show you where to find Viper Armor diagrams, and what you’ll need to craft the gear.
Note: The glasses aren’t part of the set. They can be bought on an auction during the Open Sesame quest.

Viper Armor, Gauntlets, Trousers, Boots

The four armor pieces can be obtained during the Open Sesame mission. Talk to Countess Mignole at the auction house (the old woman with her hair in a bun), until a trading option presents itself. She sells the diagrams you’re looking for. Beware: the conversation with the Countess is entirely optional, and you can’t go back in after you’ve left.
witcher 3 hearts of stone viper armor
witcher 3 hearts of stone viper armor diagram

Viper Venomous Steel Sword

During the Open Sesame quest, you’ll enter the vault at the auction house. You’ll find the diagram for the steel sword in there, in a chest next to the altar-like structure.
witcher 3 hearts of stone viper steel sword diagram
witcher 3 venomous viper steel sword

Viper Venomous Silver Sword

The silver sword itself (not the diagram) can be found during the Whatsoever a Man Soweth quest, but only if you choose to help Olgierd von Everec. Go over the wooden bridge, through the large stone gate, then keep to the left. You’ll be ambushed by a giant specter. When you defeat it, climb the broken stairs and you’ll see the sword lodged in a stone.
hearts of stone witcher gear viper silver sword
Over the wooden bridge…
witcher 3 viper armor silver sword
…through the gate…
viper silver sword tw3 hearts of stone
…towards the light…
hearts of stone venomous viper steel sword
…and up the stairs.

Viper set stats

The Viper armor set is of medium weight, requires level 39 to use (69 in NG+) and a bunch of glyph slots. It has the highest armor rating of all the Witcher gear sets, and provides immunity to poison when worn.
tw3 hearts of stone viper armor set
witcher gear viper armor set stats

Materials needed to craft Viper set

Most of these materials can be found lying around. Others can be obtained through dismantling stuff you don’t use. You’ll need to find a journeyman armorer to do the job.
NameMaterials
Viper Venomous Steel Sword
  • Leather scraps x2
  • Dark Steel ingot x2
  • Monster Brain x1
  • Emerald Dust x1
Viper Armor
  • Wire x4
  • Hardened Leather x4
  • Leather Straps x5
  • Linen x4
  • Cured Draconid Leather x1
Viper Trousers
  • Linen x3
  • Hardened Leather x3
  • Wire x4
  • Leather Straps x4
  • Cured Draconid Leather x1
Viper Boots
  • Hardened Leather x2
  • Leather Straps x3
  • Linen x2
  • Wire x2
  • Cured Draconid Leather x1
Viper Gauntlets
  • Hardened Leather x2
  • Wire x2
  • Linen x2
  • Leather Straps x3
  • Cured Draconid Leather x1