Quote Originally Posted by Reversefigure4 View Post
I guess, but not more than would be developed in the actual game anyway. At that point for the linked 40k game, the characters' backstory is really "What we did for the first seven sessions of the campaign (the meat grinder)". Is this really substantially different to a guy whose backstory is "I'm a fighter who was taught to fight with an axe. I showed up and a tavern and met Wizard Wally and Rogue Roger, then we went to a cave and fought goblins and got the mayor's prize horse back."? (The first three sessions of Ye Generic DnD game).
Yes, because the players have grown attached to each other due to a shared experience. And because player-character separation is a myth, that translates down into an actual attachment between the surviving characters involved.