The first thing you need to do is complete the side quest, “A Matter of Life and Death.” Once you’ve done that, speak to Triss in Kaer Morhen and she’ll agree to help you. However, before she does anything, she’ll want to know what happened to Geralt during the events of The Witcher 3: Wild Hunt.
The Witcher 3 ► Full Crew – Bring All Possible Allies to the Battle of Kaer Morhen #153 [PC]
- Triss will appear at Kaer Morhen during the quest “The Isle of Mists” if you tell her to go there and wait for you
- If you have completed the quest “A Matter of Life and Death” before starting “The Isle of Mists”, Triss will already be at Kaer Morhen when Geralt arrives there
- Talk to Triss at Kaer Morhen and she will agree to help train Geralt’s new student, Lambert
-How Do I Get Triss to Kaer Morhen
If you want to get Triss to Kaer Morhen, there are a few things you need to do. First, you need to complete the quest “A Matter of Life and Death” in Chapter 3. This will allow you to access the portal in Novigrad that takes you to Kaer Morhen.
Second, you must have completed at least one Witcher Contract. Finally, once you’re at Kaer Morhen, speak to Triss and she’ll agree to come with you.
In order to get Triss to Kaer Morhen, you need to first complete the quest “Now or Never.” Once you’ve done that, simply head to the keep and speak with her.