Get an exclusive offer on Chakra Disc Set with Tree Of Life Wood Gift Box. A chakra is an energy center in the human body as taught in Indian yoga and some related cultures. Chakras are also believed in by some New Age adherents. The tree of life appears in Norse religion as Yggdrasil, the world tree, a massive tree (sometimes considered a yew or ash tree) with extensive lore surrounding it. Place an order at Natural Agate.