In the main quest "For Whom the Bell Tolls" within *Kingdom Come: Deliverance 2*, Hans enlists your help once more, this time at Trosky Castle. A key task involves using alchemy to save someone by crafting Fever Tonic. Here's your guide on how to locate the recipe and brew this essential potion.
Kingdom Come: Deliverance 2 Fever Tonic Recipe Location
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The recipe for Fever Tonic can be found in the Surgeon’s Workshop at Trosky’s Castle. You have two options to access this area: sneak into the workshop or use your persuasive skills. If you choose persuasion, talk to the chamberlain in the kitchen, who's suffering from stomach issues. Offer to make him a digestive potion, and he'll grant you access to the workshop.
Alternatively, if you prefer not to sneak, proceed with the "For Whom the Bell Tolls" quest by delivering the horseshoe. After returning to the forge, speak with Cook Fanka. Offering to help her with her locked chest will lead you to the noble's kitchen. Here, you'll find the chamberlain in distress. Engage in conversation about his health and pass the necessary skill checks to gain entry to the Surgeon’s Workshop. If you bring both the digestive potion and the fever tonic back to the chamberlain, he'll allow you to meet Thomas.
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If your skill checks fail, you'll need to resort to stealth. Steal some food, exit the kitchen, and head to the other side of the courtyard. Ascend the stairs to the right and enter the kitchen you're permitted to use, but be wary of the guard. Distract him with the stolen food, and once he leaves, sneak upstairs to the Surgeon’s Workshop. Locate the physician's journal on the bookshelf, read it, and use the station to brew your potions.
How to Brew Fever Tonic
Screenshot by The Escapist
The herbs for Fever Tonic are conveniently set up at the surgeon’s station. Follow these steps to brew your potion:
- Pour wine into the cauldron.
- Add 3 handfuls of Feverfew.
- Lower the cauldron and boil for 2 turns of the sandglass.
- Grind a handful of Elderberry Leaves with the mortar and pestle.
- Add the ground Elderberry Leaves.
- Add 2 handfuls of Ginger.
- Retrieve a phial from the bottom left shelf of the station, under the wine.
- Distill the tonic using the Still.
Don't worry if you don't succeed on your first attempt; you'll have ample herbs, with more available in the room's chest. Given your prior potion-making experience, crafting this should be manageable.
Once you have the Fever Tonic, your next step is to reach Thomas. If you've earned the chamberlain's trust with a digestive potion, return to him with both potions. Otherwise, use the noble’s kitchen to sneak into the chapel and find Thomas and his sister, Adele. Converse with Adele to complete the quest.
