平家 (Heike) refers to a powerful clan in Japan during the late Heian period, known for their influence and military prowess. They were prominent in the Genpei War, a conflict between the Heike and the Minamoto clans, which ultimately led to the rise of the Kamakura shogunate. The Heike clan is often associated with the famous epic, the Tale of the Heike, which recounts their struggles and downfall. The Heike clan's legacy is marked by their contributions to Japanese culture, particularly in literature and performing arts. Their story highlights themes of honor, loyalty, and the impermanence of power, reflecting the Buddhist concept of mono no aware. The clan's defeat in 1185 at the Battle of Dan-no-ura symbolizes the end of their dominance in Japanese history.