Answer:
What begins with an E but only has one letter?
Goes over all the hills and hollows, Bites hard, but never swallows.
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?
Against the sun I protect your eyes and am often worn on the face of spies
I am a popular afterlife location to send evil people
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?