You forgot the "dark side" :)
well here are some substitutes if Dark bothers you
Synonyms darkened, darkish, darkling, darksome, dim, dimmed, dusky, gloomy, murky, obscure, obscured, pitch-black, pitch-dark, somber (or sombre)
Related Words moonless, sunless; cloudy, dull, dulled, lackluster; shadowy, shady; gray (also grey), leaden, pale
I had fun thinking of those titles and useing some of these other adjectives.
Main Entry: 1dark
Pronunciation: \ˈdärk\
Function: adjective
Etymology: Middle English derk, from Old English deorc; akin to Old High German tarchannen to hide
Date: before 12th century
1 a: devoid or partially devoid of light : not receiving, reflecting, transmitting, or radiating light <a dark room> b: transmitting only a portion of light <dark glasses>
2 a: wholly or partially black <dark clothing> bof a color : of low or very low lightness c: being less light in color than other substances of the same kind <dark rum>
3 a: arising from or showing evil traits or desires : evil <the dark powers that lead to war> b: dismal, gloomy <had a dark view of the future> c: lacking knowledge or culture : unenlightened <a dark period in history> d: relating to grim or depressing circumstances <dark humor>
4 a: not clear to the understanding b: not known or explored because of remoteness <the darkest reaches of the continent>
5: not fair in complexion : swarthy
6: secret <kept his plans dark>
7: possessing depth and richness <a dark voice>
8: closed to the public <the theater is dark in the summer>
synonyms see obscure
— dark·ish \ˈdär-kish\ adjective
— dark·ly adverb
— dark·ness noun
Guess you can tell i'm bored :p