I would like to see more of the characters ’ stories. I really liked how “Nameless Voice” spoke about the sacred secrets of heroes. I’d like more of this. PLEASE PLEASE PLEASE MORE LORE HEROES.
My english is bad maybe mistakes
You can find some information about them here
https://vermintide2.gamepedia.com/Lore#Vermintide_History
Or did you mean more in-game stuff? If so, I agree. It’s much more exciting learning about our heroes through in-game events. 