'To defeat him, you shall find the eight guardians to gain your power...'

Where...where am I? Wait, who am I? All I can feel is dustful air and the trees here are all without leaves. 

Why is there a sound in my mind, who is he referring to? What's the eight guardians? 

The next thing I hear is a woman running and fear is all she has on her face. So I immediately get up and catch up with her.

"I am sorry to bother you but, what's happening?" 

The woman looks like in her mid-thirties, she gets shocked when I touch her shoulder. "Oh, dear, what are you doing here alone! The last spaceship are leaving in half an hour!"

"What spaceship..." I do not get to finish my question and she is already dragging me with her together. After 15 minutes running, we arrive a huge land space with fences around it. The soldiers are standing outside the fence door checking our identities...