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.
Cut the wrong wire and it goes boom
What word becomes shorter when you add two letters to it?
What has fingers and a thumb but no hand?
This is a shape and a symbol that we literally cannot live without. What is it?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.