This writing really grabs me. I like the way you place the comments into parenthesis as it gives the added meaning and affect.
...fading to where only a hint of shadow remains...yet in the shadows there remains yet the hint of all that once was...(please, turn on the lights that the Shadow might return)...IF ONLY for a few seconds...
Oh, that's cool. This is like echoes in the brackets, yai? It seems like it, and it really works for the overall effect.I don't know why the last line works so well with the rest of it, but it does; well done!