COVID-19: Crisis prayer and the crisis of our prayers

I was descending from Omu Peak, in the Bucegi Mountains, with a few dozen young people. It had not been an ideal hike, and we were behind schedule. The forest made the darkness even thicker as it began to cover the mountain, and slowly, our minds as well.

What is prayer?

God reveals Himself through the Bible, the person of Jesus Christ, nature, and our conscience. Prayer is not revelatory. If it is neither revelatory for humans nor for God, what is prayer then?