The Eight Immortals, for one, is a term used to refer to a group of legendary Chinese figures who are said to have lived during the Tang Dynasty. The term is also known as an OCTET, which is a group of eight people or things. The Eight Immortals are believed to have had supernatural powers and were said to be able to bring good luck and fortune to those who followed their teachings. They are often depicted in Chinese art and literature and are still revered today.