Mage's End — Sean Fletcher

With darkness on their doorstep, there's nowhere left to run.With the evil entity Maladias preparing to invade New York, Aspen—one of the last surviving Mages of the Council—is running out of options to stop him. She needs allies. Fast.But gathering enough strength to oppose Maladias means calling on help from the remaining Supernaturals—Supes that have become enemies of the Mages. Supes who hate each another almost as much as they hate Aspen.Underground armies, lost apprentices, last-ditch efforts, it all leads to this. Unite or die. Sacrifice, or everything is lost. When the final battle comes, Aspen must discover just how much she's willing to sacrifice to win. If she doesn't, it will spell the end of her world and everyone she loves.All things come to a close in Mage's End, the third and final book in the fast-paced young adult fantasy series. If you like snarky, fast-paced fantasies full of magical underdogs, mystery, and a slow burn enemies-to-lovers romance, this series is for you!