In this guide, you will learn where to find Witches Covens for Stained Soil in Marvel’s Midnight Suns.
To find the first one, you will need to follow the path all the way up to the West of The Abbey and you will reach the coven. After that, search for the soil sample at the back.
Now you have to make your way to the Stone Terrace fast travel point, then turn around and go through the door. It will take you down and you need to follow the path all the way around to find the coven.
Now from the Stone Circle, you have to follow it straight down and you will find the last\ Witches Covens there.