When a background character becomes a monster, you generally don't care. You just watch the protagonist wipe the floor with them like they're nothing. But what happens when it's a character that The Hero has come to love and care about over the course of the work? In many works, this can amount to a form of Player Punch. It's par for the course for any Zombie Apocalypse, since doubtless somebody important is going to get turned into a zombie. May bring Dying as Yourself into play. Examples of Tragic Monster include: