This is hard to say, because a projection to the etheric in twilight may be just that- that the light outside is dark and that's how it's perceived. One way to find out is to dump water energy (visualize water exiting your feet before you try your exit) and see if it makes a difference. If it doesn't, chances are that's not it.
Doing element breathing as par for the course will help you with balance, as he starts with fire, goes on with air, etc. when you get to that part.