Padmasambhava accepted their request and displayed his miraculous power at that critical point. Only after he had subdued all the demons and dispelled all adverse conditions, the most profound tantra from India was propagated in Tibet. Although more than one thousand years of turbulence have passed, the tantric transmissions, empowerments and so on are still being preserved in their entirety in Tibet.
[Excerpt from Luminous Wisdom Book Series ~ The Guru Yoga Practice of the Seven-Line Prayer to Padmasambhava]