Muni Tsenpo ruled for one year and seven months.[1] [During his reign], he established the basis for offerings at Samye Monastery and equalized [the wealth of] the rich and the poor of Tibet on three different occasions.[2] [In the end], his mother administered poison, resulting in his death.

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During the reign of his younger brother, Jingyön Mutik Tsenpo,[3] a Chinese-style fort with nine towers was constructed at the eastern gate of glorious Samye. Having built this, in addition to the Karchung Dorje Ying maṇḍala,[4] Mutik Tsenpo worshiped profusely at all the temples that his ancestors had erected. He led a lifestyle like that of a Dharma-protecting king while maintaining the dual system of religion and politics more effectively than before. Moreover, the king meditated, visualizing the master seated above his head, and clearly envisioned his own body as the meditational deity while he practiced the recitations of vajra speech.

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Furthermore, having founded the teachings of the monastic college and retreat centers, Mutik Tsenpo established the Dharma like the all-pervading sun. Once again, the great vajra master, Padmasambhava, and the great translator, Vairocana, among others, spread the teaching of the resultant, secret-mantra Vajrayāna and newly rendered the previously untranslated sūtras.