Good Riddles

Question: I work in a battle of wits. The battle is again with only two while an army each has. Each must take a turn in stratagem but to win the leader must die. What am I?

Question: Act in my name, and thus remove me. What am I?

Question: I live with first ones ,they use me well! For the others I am hell! For the third ones I am useless,you can't touch me but you can see me! I am always there within you! Seek for me and and I'm right there! What am I?

Question: I will give you power I will give you gold just to see who you really are!! Who am I?

Question: A vivid reality, a naked morality, a place where wishes come true.