Head to the bottom cost of the North West island in Skellige (South of Old Watchtower), here is a cave with some level 15 Drowners inside. Go inside and hug right to climb up some ledges. There's a ...

Off the western coast of Redania (south-west of Novigrad) is a floating shipwreck near an island south of the lighthouse signpost. Climb aboard the ship and descend into the hold to find the chest ...