When is it a good idea to write an epilogue? Falling action is the best place to tie up loose ends. Here are a few uses for to use an epilogue:
1). If your story ends with a trauma, an epilogue can let the reader know the fate of a character. 2). An epilogue can assure the reader justice has been served. 3). An epilogue can explain the fate of a character. Increase the feeling of happily ever after and let the reader know the protagonists survived. 5). An epilogue is a glimpse into the future.