|You see a swirling dark portal when you open the doors|
Sometimes pictures can describe things during your adventure more then words can ever describe what you are trying to tell your players during the game.
While playing on Roll20.net, I like to flash up pictures or play music to set certain tones when the players are facing a situation. Now being an old school player, my roots are in "theater of the mind" and we barely used minis on the table when we played, but as I am getting older and getting more settled into playing games via the internet, I am finding these little "props" really work.
|As you look up, you see the wolf howl loudly and snarl before it attacks you!|
|As you step out of the dungeon, you see a building in ruins... A long stair case is your only avenue to move forward.|
This is just something to consider when setting the mood for your campaigns and something I seriously noticed from doing all these things, Players will speculate about the picture and maybe even give you an idea to roll with or use for the situation or a future event!