Yet another example of a Taoist mantra is present in considered one of the preferred liturgies in Taoism (relationship from your Tang dynasty), the Pei-tou yen-sheng ching (The North Star Scripture of Longevity), which includes a long mantra known as the "North Star Mantra." The text statements this mantra https://www.youtube.com/watch?v=ebjMeUz17Ro