Tell me about martial arts skills.

Mix Heaven's Treasures, Immortality Tactics, Monty Tactics, Xia Zi's Magic Skill, Gan Kun's Great Move, King Kong's Immortal Skill, Great Handprints in the Western Regions, Blood Handprints, Tathagata Palm, Nine Changes of Wild Silkworm, Nine Yin and Nine Yang, Atlas of God of War, Eighteen Dragons' Beats, Heaven and Earth's Great Compassion, Purple Thunder Nine Strikes, Fairy Crystal Sword Tactics, Seven Knife Techniques, Long Xiangnuo Duomiro? Divine power, relaxing muscles and washing marrow, dharma fencing.