Expedia SDE-2 — HireVue + 2 technical + hiring manager loop

I am going to attend hiring manager round this week after 1 hirevue and 2 technical interview round.
Please share your experiance what should I prepare for this interview. I believe this is last round of the process.

Process for this SDE-2 loop: 1 HireVue online round, followed by 2 technical interview rounds, with the Hiring Manager loop as the final stage. The candidate is seeking advice on how to prepare for the hiring manager round.