Sachen, the first of the five supreme masters, inherited a wealth of tantric doctrines from numerous Tibetan translators or "lotsawas" who had visited India: most importantly Drokmi Lotsawa,[REF] Bari Lotsawa and Mal Lotsawa [REF].
The main Dharma system of the Sakya school is the "Path with its Result" (), which is split into two main lineages, "Explanation for the Assembly" () and the "Explanation for Close Disciples" ().