How did the boon received by Shri Sayandev influence the writing style of the Laghu Guru Charitra?

The information available in Chapter 0 does not establish a connection between Shri Sayandev's boon and the writing style of the Laghu Guru Charitra. The text explains that the Laghu Guru Charitra is a separate and much older work from Wadi, distinct from the Brihad Guru Charitra. The boon you are referring to was given by Shri Narsimha Saraswati Maharaj to Shri Sayandev of the Sakhare family, ensuring his descendants would perform constant service. Shri Saraswati Gangadhar, the author of the *Brihad* Guru Charitra, was a fifth-generation descendant of Sayandev, but this has no stated bearing on the separate and older Laghu Guru Charitra.