Death By Fire is a secondary quest you can happen upon while exploring Velen in The Witcher 3.
Men can be terribly cruel, especially to those of different races. The witcher had seen humans persecute nonhumans far too often. This time he witnessed a particularly appalling scene – a group of thugs wanting to burn a she-elf alive.
If you find yourself traveling the roads around Codger’s Quarry, you should see a hut set on fire by bandits.
Following contains quest spoilers. You’ve been warned
Defeat the bandits
Kill the bandits as quickly as you can.
Clear the blockage
Use the Aard sign to break down the door of the hut.