The major Buddha figures such as Mahavairocana were revered along with the retinues of their mandalas. Esoteric Buddhism saw shift from the historical Gautama Buddha to the transcendental Mahavairocana, also termed the "Great Sun". Gautama was considered a form of Mahavairocana, the eternal Buddha and dharmakāya. The major Buddhas of the esoteric pantheon are the Five Tathagatas. Other Buddhist deities in Chinese esotericism included Bhaisajyaguru, Avalokiteśvara (especially the thousand armed form), Hayagrīva, Tārā, Vajrapāṇi, Vajrasattva, Samantabhadra, Mañjuśrī and Cundī. The cult of Acala, the wrathful Vajrapani was very influential during the Tang, while the Cundī cult was very important during the Song period. The Five Wisdom Kings were also important protector figures in Zhenyan Buddhism. Besides Buddhas and bodhisattvas, there are also deities such as Śakra (Indra) (Yintuoluo 因陀羅), Brahma (Fantian 梵天), Vāyu (Fengtian 風天) and Candra (Yuetian 月天). The major Tantric texts of this tradition are part of the Chinese Buddhist canon found in volumes 18 to 21 of the Taishō Tripiṭaka. They include:  Volume 18  Volume 19  Volume 20  Volume 21  There are other Chinese esoteric works outside the Chinese Tripitaka, including material found at Dunhuang, and from the texts found in Yunnan.