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.
Faith in Buddhism bird-like deities and violent spirits which previously were the focus of pre-Buddhist cults became guardians of the Buddhist teaching. This process of adopting deities as part of Buddhism often occurred when Buddhist devotees or monks did not fully renounce their former devotions when embracing Buddhism. In the early Pāli scriptures, as well as in some customs in traditional Buddhist societies, traces can still be found of the period that Buddhism competed with "nāga" worship and assimilated some of its features. In some Buddhist countries like Japan, a perspective arose of the human world as a microcosm of the macrocosmic realms