Sirius Black - Wanderer of Worlds

When Sirius Black fell through the Veil, he did not die. Or maybe he did, but he didn't stay dead. Instead, he began a journey that would span many alternate worlds and dimensions, with one goal in mind: he had to return to Harry. Rated T for language and mature-ish themes, may change to M at some point in the unknown future. Chapters are short, but posted frequently.