What is the fine-grained topic of the following text: He was an enlightened yogi and meditation master, a discoverer of concealed treasure teachings (a terton) who was inseparable from Guru Rinpoche [Padmasambhava], the most prolific of contemporary Tibetan scholars, and an incarnate lama who had intentionally emanated for the sake of sentient beings for seventeen successive lives. Only return the topic.
Tibetan Yogi and Meditation Master's Life and Achievements