Answer:
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
What comes in many varieties and can't be seen or touched, but it often makes you move?
What ends in E, starts with E and has a letter inside it?
I know a word of letters three, add two and less there will be.
Why was the cook arrested?