sentences:  Karma Lingpa was born in southeast Tibet as the eldest son of Nyida Sanggyé, a great Vajrayana practitioner.At an early age, Karma Lingpa engaged in esoteric practices and achieved many siddhi.When he was fifteen years old, he discovered several terma texts on top of Mount Gampodar, including a collection of teachings entitled "Profound Dharma of Self-Liberation through the Intention of the Peaceful and Wrathful Ones" ("zab-chos zhi khro dgongs pa rang grol", also known as "kar-gling zhi-khro"), which includes the two texts of "bar-do thos-grol", the so-called "Tibetan Book of the Dead".