How does the narrative in Chapter 12 introduce the story of the Agnihotri from Nashik?

Chapter 12 sets the stage for what it calls a 'very delightful story' illustrating the Guru's greatness. It introduces a 'ritualistic, orthodox Agnihotri' (a keeper of the sacred fire) with the surname 'Mule' from the holy place of Nashik. The text emphasizes that his arrival in Shirdi was not a mere accident but occurred 'due to the strength of his past merits,' as no one can stay there otherwise. The chapter creates suspense by noting that his original intention was different, but a fortunate coincidence led him to Shirdi, where he gained the rare benefit of a meeting with Sai Baba, his own destined Guru.