Answer:
I roam through the lands hoping to rescue my love. I search high and low and will stomp on you if you get in my way!
I am the only thing that place today before yesterday. (one word)
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
Better touch me before you proceed to second.
I belong to you but others use me more often than you do. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.