Answer:
I'm written with two letters, said with one and seen with two. What am I?
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
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.
What goes up and down stairs without moving?
You bury me when Iām alive and dig me up when Iām dead. What am I?
What made Cyclops quit teaching?