The Witcher 3: Wild Hunt Wiki · Quest · Remastered

The Battle of Kaer Morhen in The Witcher 3

The Battle of Kaer Morhen is the main story's late-game defense sequence and a payoff for earlier ally choices.

Short answer. Before starting the battle, complete available ally quests and bring every available defender to Kaer Morhen; the sequence rewards preparation with additional support.

✓ Official quest structure + version-qualified preparation notesReviewed 2026-09-30
A fortified mountain stronghold in an official Remastered screenshot

01 / Player path

Where to find it and what to do

The battle begins after the main story returns to Kaer Morhen in the final act. Preparation and ally recruitment happen across earlier regions.

02 / Requirements

Before you start

  1. 01

    Complete major ally questlines.

  2. 02

    Prepare a late-game build and stocked consumables.

  3. 03

    Finish exploration you want to do before the story tempo increases.

03 / Core facts

At a glance

Stage
Final act
Location
Kaer Morhen
Preparation
Ally recruitment
Outcome
Choice and story-dependent

04 / Field notes

Details that change the route

01

Some allies are easy to miss because their quests sit outside the critical path. Check the quest log before starting the battle.

02

The battle itself is not the last chance to explore, but the main story changes the pace and available context around it.