Extra Skill Slots and Mutations

⭐ ⭐⭐⭐ (11,364 endorsements) 📥 397,552 downloads 📌 v4.3HotFix 📅 8/18/2017
⚪ Last updated 2017

By Lim3zer0 · Skills and Leveling

⬇ Download Mod Source: Nexus Mods 📅 Updated: 10/18/2017 📅 Created: 8/18/2017
⚠️ Install Order · 2 steps
1🧩 Script Merger — Witcher Script Merger Download ↗
2🔧 Community Patch — Community Patch - Base Download ↗

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 2.9% endorsement rate — high engagement, a strong quality signal
  • 🏆 #3 of 46 Skills and Leveling mods in this game by downloads

📋 About This Mod

Extra Skill Slots and Mutations.

6 new sockets for the base game and blood and wine panel. 4 new sockets for the blood and wine mutations panel. 4 new mutations. Controller Compatible. Different Versions Extra Sockets This version does not add new mutations and only adds new skill sockets.

Extra Sockets and Mutations. This version adds both Mutations and Skill Sockets.

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Mutation Specifics These are what all of the new mutations are:

  • []Mutated Metabolism

The number of charges for Decoctions in increased by 1. Decoction toxins are now treated as potion toxins. Whilst in Combat toxicity falls 0. 75 points per second faster, and again for each adrenaline point, (Up to a maximum of 3). You can hold your breath indefinitely underwater.

  • []Inferno
The range of the Yrden Glyphs and Trap is increased by 20% and stay active 10 seconds longer. Foes within Glyphs or struck by the Trap have a 25% chance of igniting, (Value depends on Yrden intensity).
  • []Razor Blade
During Combat melee blows charge your Sword by 3% (or 6% with the correct Blade Oil) which increases sword attack power by the total value. The charge on your sword declines overtime. If it exceeds 60% Armor is ignored and if it exceeds 95% the next attack instantly kills, and will reset the charge. Weapon and Armor degradation is reduced by 100%.
  • []Raging Wolf

Coming in a future update. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Mod Options.

The mod has a config file for those who want to tweak a few settings: modSlots\content\scripts\local\ESSConfig.ws This was mainly done so that you won't need to worry about merging with other smaller mods.

[]Standard Levelling - You can either unlock all ability slots from the beginning, or use the vanilla system of unlocking slots as you level up. []NGP Leveling - Same as standard, but applies only to NGP, you can choose to have all ability slots unlocked, (vanilla) or lock them until the required level is reached. Those levels will be based on your NGP starting level. [*]Disable BaW Socket Colors - The bonus slots granted by BaW c

🤖 AI-enhanced — based on mod data

This mod increases the socket count from 12 and 16 to 18 and 26, and adds 4 new mutations. It's for players who want more build flexibility and variety in their skill loadouts. With over 11,000 endorsements, it's a popular choice for enhancing character progression.

✨ Key Features

Increases socket count from 12 to 18 and from 16 to 26.
Adds 4 new mutations to the game.

📊 Pros & Cons

✅ Pros

  • Huge community trust with 11,364 endorsements and nearly 400k downloads.
  • Straightforward quality-of-life improvement for build diversity.
  • Adds new mutations to shake up your character builds.

⚠️ Cons

  • Last updated in 2017 — may be outdated for current game versions.
  • No detailed documentation on which mutations are added or how they work.
  • Only affects socket counts and mutations; no other gameplay changes.
🎯 Is This For You?
For players who feel limited by the default socket counts and want more room to customize their skills. Also for those looking to experiment with new mutations. Skip if you're happy with the base game's progression or want more comprehensive overhauls.
📦 Install:Easy· Under 1 minute

💡 Beginner Tips

  • Check if the mod requires a fresh save or works with existing characters.
  • Since it's from 2017, verify compatibility with your current game version before installing.
  • If you use other mods that alter sockets or mutations, load order might matter.

📊 Mod Details

Game
Witcher 3 Mods
Author
Lim3zer0
Version
4.3HotFix
Downloads
397,552
Endorsements
11,364
Category
Skills and Leveling
Created
8/18/2017
Updated
10/18/2017

🔧 How to Install Witcher 3 Mods

Download from Nexus.

📖 Full step-by-step install guide for Witcher 3 →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Witcher 3 commands, item IDs, and more.

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