Quick Links
- How To Start A Favor For A Friend
- Where To Find The Supplies
- Date Night
Geralt has an unusually rich history with the Lodge of Sorceresses. While the organization has been effectively disbanded in The Witcher 3, many of its former members end up crossing paths with the witcher throughout his journey. True to their nature, they are fully aware of his skills and do not hesitate to ask him for help.
Related: The Witcher 3: Ciri's Room Side Quest Walkthrough
A Favor for a Friend has one former sorceress, Keira Metz, ask Geralt for assistance for a final time. He had already helped her lift a curse from Fyke Isle, which was challenging enough. His exasperation is pretty clear to see.
How To Start A Favor For A Friend

You will need to complete A Towerful Of Mice for Keira before you can begin this quest. She will mention another matter that Geralt can help with once he returns from Fyke Isle. Asking her about it will allow you to start A Favor for a Friend.
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This matter happens to be a missing delivery. Considering how remote Velen is, Keira would need help getting rarer magical supplies for whatever it is that sorceresses do.
Where To Find The Supplies

Geralt deduces that the trader should have passed through Hangman's Alley, an area that you can fast travel to. There, use your Witcher Senses to identify a southward trail heading down the road.
There are drowners near the coast, alongside some hidden treasure. This would be a good opportunity to claim some treasure for yourself while you are doing yet another favor for a sorceress.

The trail will eventually go off-road, with the cart having crashed not far from the path. Keira's package is under the cart, with a red outline when viewed with Witcher Senses. As Geralt notes, the cart contained luxury goods instead of anything that would trigger his medallion.
While optional, you can follow a trail of blood leading from the carriage to find the driver's corpse and a rotfiend. If you are curious, the driver's body has a note detailing why he had taken on the job.
Return to Keira with the non-magical delivery to find out what she intended to do with them. Unfortunately, the quest does not end here. She asks Geralt to wait a few hours to find out.
Date Night

Geralt will automatically wait, with the next cutscene continuing the conversation. The sorceress uses magic to turn some mice into horses and challenges Geralt to a race. The race itself is not difficult, though there are no consequences for losing.
The finish line is a dinner table set with the rare ingredients Geralt had retrieved for Keira earlier in the quest, perfect for a candlelit dinner. The two have a conversation over their meal, with Keira taking the chance to take their time together in a more intimate direction.
Your decision will determine if Geralt has a romantic encounter with Keira, though the outcome of the quest will stay the same regardless, ending shortly after the cutscene and stating the next quest, For the Advancement of Learning.