As the title of this thread implies, this is a discussion of how would a prospective L5R RPG incorporate the foundational concept of mono no aware into its mechanics and game play.
As this is something apparently central to the LCG, I expect to see it appear in some form in any prospective RPG released by Fantasy Flight Games. However, is this something players would want to see? If so, how would it be best implemented?
My thoughts:
1) Implementing mono no aware would by its very nature make the Story being told the important focus of the game, not the characters participating in that story. There would need to be a mechanic central to the game which would allow a rotating cast of characters to enter into the Story of the game for a time, before exiting. These would be the Player Characters.
2) Death and injury would still need to be a frequent, ever present threat. Get rid of effective magic healing, and allow characters who become injured to "sit a session out" to recover from their injuries. In fact, I might suggest taking the step that Player Characters cannot (randomly) die in most scenes without the player's consent, but they can be sufficiently injured that they will need months to recover. If you are a PC, you are hero. You are not going to get shot by a random arrow and die. Your Destiny in the story is too important. However, you cannot avoid death in story appropriate situations (seppuku, duel, grudge match against your Sworn Enemy).
3) Death and retirement would need to be something in the control of the player, to some degree. Injury / exhaustion would need to stack up penalties, but players need to be entrusted with the choice of saying "No, this is where my hero's story ends." And then give them a scene of awesome, where their injuries / exhaustion does not hold them back. But that is their last scene as a PC. Ever.
4) Focus an "advancement" mechanic (XP) around the story itself, not the characters involved. You would need a fairly flat progression tree with the ability to easily bring characters in at a starting level that still feels powerful when appropriate.
Just my thoughts. What are yours? Or is the concept of mono no aware naturally antithetical to how you would like to play an L5R RPG?