Tenebris Veratrum
Ingesting the leaves, stems, and roots of Tenebris Veratrum can be deadly, unless one knows how to properly prepare it for consumption. In the smallest of quantities and with the right technique, this plant is said to be able to cure ailments of all kinds. Additionally, the white pearls at the core of the plant are often harvested and dried, later to be made into a tea for an uninterrupted sleep with pleasant dreams.