Prompt: Harry kept in touch regularly with Dudley ever since the war, but was never able to reconcile with Petunia and Vernon. One day when he meets Dudley, Dudley tells him that Petunia is in her last days and would like to see Harry one last time.
Suggested Characters/Pairings: Harry, Petunia, Dudley
Theme/Tone: up to the author. It can be bitter, reconciling, sad
Additional Info: I'll let how the meeting goes be up to you.