On the dark verge of life

The wizarding community is on the brink of war, the Order is trying to get a kid to fight a war for them and the infernal Dark Lord is seething in the shadows. Harry Potter can't seem to keep his hands off him. Sirius Black would just like to catch a bloody break. Plotting and torture aside,the Dark side isn't all that dreadful. Dark Harry & Sirius; SLASH; HP/TMR, SB/LM