The video above is the The Witcher 3 Wild Hunt Return to Crookback Bog Secondary Quest Walkthrough and shows how to complete Return to Crookback Bog, the quest featured in The Witcher III: Wild Hunt.
The video walkthrough covers the following objectives:
Meet the Baron in Downwarren.
Go with the Baron to the crones’ huts in the bog.
Help the witch hunters fight the monsters.
Prepare for a fight.
Kill the fiend and the other monsters.
Visit Johnny to find out what happened to Anna.
Use your Witcher Senses to find Johnny.
Tell the others what happened to Anna.
Find the door to the hidden room.
Enter the cave.
Talk to the the baron.
