Buffy the Vampire Slayer, Season 9: Freefall #18
The remnants of magic left on earth are in danger . . . The Siphon is back, and he's more charged than ever before as he takes out one magical being after another, absorbing their power. Pulled into this battle to save the world-again-Buffy is partnered with Koh and Illyria to put a stop Severin.