Night notices the commotion due east of his location, and decides out of the blue that he wants whatever they have. He creates a giant sphere around the earth, which has a surface area of 400,000,000 square miles. He then attaches this sphere to his handy dandy notebook satellite transmission station, located several miles underground, and then launches his "Project Cleansing"; in which the sphere launches a sheet of highly deadly disintegration ray towards the earth, lowering the height of every area on earth and destroying any living thing in it's path.
With the path to the hill now clear of all life, Night makes the sphere around the earth an addition to the hill, making it unimaginably tall and nearly unscalable. He also creates a wormhole at the base of the hill, which when entered will send you forward in time, just enough to make you age and die. something like this Reg?