So, me and my old group of players are living in different parts of the country, therefor we play mainly online. Since I didn’t have all of the NPCs and monsters uploaded and also because, well, I like the sound and feel of rolling dice, I did roll most times ”behind screen”. Even now, when most rolls are possible in the virtual table top, I still roll mostly behind the screen. I find it better If my players don’t know exactly the number of dice a sertain monster or NPC have as an attack or dodge roll. Also, the gasp of unease and unsertainty from the players when they hear all of those dices rolling, suddenly understanding the fight is going to be much harder than they had thought, even though they don’t know the exact strenght of their opponent, is quite pleasing.