Buddhism deity and its associated mandala. Another element of Tantra is the need for ritual initiation or empowerment (abhiṣeka) by a Guru or Lama. Some Tantras like the Guhyasamāja Tantra features new forms of antinomian ritual practice such as the use taboo substances like alcohol, sexual yoga, and charnel ground practices which evoke wrathful deities. Zen Buddhism (禅), pronounced "Chán" in Chinese, "seon" in Korean or "zen" in Japanese (derived from the Sanskrit term "dhyāna", meaning "meditation") is a form of Mahayana Buddhism found in China, Korea and Japan. It lays special emphasis on meditation, and direct discovery of the Buddha-nature.
Japanese Zen often pointed to as an event that enhanced its profile in the Western world. It was during the late 1950s and the early 1960s that the number of Westerners pursuing a serious interest in Zen, other than descendants of Asian immigrants, reached a significant level. Eugen Herrigel's book "Zen in the Art of Archery" describing his training in the Zen-influenced martial art of Kyūdō, inspired many of the Western world's early Zen practitioners. However, many scholars, such as Yamada Shoji, are quick to criticize this book. The single most influential person for the spread of Zen Buddhism was D. T.