When you can, make it so the great outcome is possible but not required.
If it's required, and you don't get it, then you fall on your face and are knocked out of the game.
If it's optional and you get it and it wasn't expected it's a wow moment.
If it's required, and you don't get it, then you fall on your face and are knocked out of the game.
If it's optional and you get it and it wasn't expected it's a wow moment.