The Wisest Dryad Backflow Incense Burner 18cm. A dryad is a human-tree hybrid, known for their sage like memory any knowledge of the forest. This dryad has distinct facial features including a large gaping mouth. Place one of our Backflow Incense Cones on the top of the old oak and observe the smoke trickle from the tree's mouth down the giant fungi tops onto the ground below. Cast in high-quality resin before being carefully hand-painted, this piece is perfect for any enchanting collection.