What is the significance of Udi as described in the provided texts, and how did Sai Baba use it?

According to Chapter 33, Udi is a supremely auspicious sacred ash from Baba's fire, with benefits so numerous they can only be told in a condensed form. Sai Baba is described as the 'helmsman of the path of spiritual welfare,' who dispenses Udi to his devotees. The purpose of giving Udi is twofold: it serves to fulfill worldly interests, such as healing ailments, while simultaneously guiding the devotee toward spiritual welfare. The text emphasizes that the stories of its benefits are countless, highlighting its profound importance in Baba's method of blessing and protecting his followers, making it a key element of his spiritual legacy.