Padmasambhava also known as Guru Rinpoche was the key in establishing Buddhism to Tibet by subduing hostile forces to Dharma. Not by destroying those forces but subduing and making them into protectors of Buddhism.
Black Manjushri, bodhisattva of wisdom, one of the most important iconic figures in Mahayana art and literature. He represents the wisdom of prajna, which is not confined by knowledge or concepts. His Sanskrit name means "He Who Is Noble and Gentle.