"Immortal (Eternal)" refers to the concept of living forever or existing outside the bounds of time and death. This idea is often explored in mythology, religion, and literature, where beings such as gods or mythical creatures possess eternal life. The notion raises questions about the nature of existence and the implications of living indefinitely. In various cultures, immortality is associated with spiritual beliefs, such as the afterlife in Christianity or the cycle of rebirth in Hinduism. Additionally, modern science explores the potential for extending human life through advancements in medicine and technology, sparking debates about the ethical implications of achieving immortality.