Answer:
What goes up and down, but does not move?
I cut through evil like a double edged sword and chaos flees at my approach. Balance I single-handedly upraise through battles fought with heart and mind instead of with my gaze.
When I live I cry if you don't kill me I'll die.
I am an insect. Half of my name is another insect. I am similar to the name of a famous band. What am I?
Though I am dark Adam married me.
The more of me you take, the more I appear behind you. What am I?