Two of my players want to live/play out their back story. Trying to figure out the best way to do this in campaign. In preparation for this I have fleshed out back stories to include much more detail and history including places and past event in current campaign. I have only run three sessions ever as a DM and haven't played in 30+ years.
- Dreams/flash backs that connect them to current events but flesh out history, possible induced maliciously by an NPC to try and drum up painful memories to gain information about past events, gain advantage over players, or gain information to control them or harm their loved ones.
- Separate campaign that starts with a younger version of themselves with other players being people in back story or NPCish characters.
- Connect back story to current events via NPCs telling them about their history
- Time travel event "back to the future" style having to fix the time line in their own history