There is a weird house with one Bloodsucker in middle of a misty fog in Burnt Forest. This house has the Weird Pot in it.
1. Keep going inside the fog and come back to house until you see the tunnel to underground is open.
2. A little bit inside the underground you will see a skeleton with a key next to it. Pick up the key and continue to inside the house.
3. Open the door next to entrance with the key.
4. Go back outside and go inside the fog again.
5. Go back inside the house and enter the door in front of entrance's door.
6. Climb up the boxes to attic.
7. Jump down into the next room to find the Weird Pot in the fireplace.