What significant events or stories are introduced in Chapter 25 of the Shri Sai Satcharitra?

Chapter 25 introduces two main narratives. Firstly, it details the author's personal account of being divinely inspired by Sai Baba to write the Shri Sai Satcharitra. The author confesses his feelings of inadequacy, stating he lacked the knowledge or authority, but Sai gave him the command and the courage to document His life for the salvation of devotees. Secondly, as Chapter 25 explains, it sets the stage for a story about a devotee named Damu Anna, a wealthy bronze-smith from Ahmednagar. This story is presented as a demonstration of how Sai Baba, the 'Ocean of Mercy,' wards off the misfortunes of those who have one-pointed faith in Him.