Just Walk Beside Me

[Co-author: SPNxBookworm]. Dean's nightmares won't stop. Sam, to worsen things, has the perfect, hellish migraine. Cas is too human. They did not need the creepy shaman or the weird Chinese riddle, either. However, the reappearance of two faces from Sam and Dean's past might just be the best thing to happen to them. Brotherly love, Destiel. Hurt!boys. Sequel to 'The Darkest Night'.