Fate Breaker by Victoria Aveyard
Realm Breaker; Book Three
“Save the world or end it. A strange darkness is growing in the Ward. Even Corayne an-Amarat can feel it, tucked away in her small town at the edge of the sea. Fate knocks on her door, in the form of a mythical immortal and a lethal assassin, who tell Corayne that she is the last of an ancient lineage--with the power to save the world from destruction. Because a man who would burn kingdoms to the ground is raising an army unlike any seen before, bent on uprooting the foundations of the world. With poison in his heart and a stolen sword in his hand, he'll break the realm itself to claim it. And only Corayne can stop him.” -WorldCat
Fearless by Lauren Roberts
The Powerless Trilogy; Book Three
“Paedyn Gray and Kai Azer return to the Kingdom of Ilya. And Paedyn has a life-altering choice to make. Whatever she decides will determine her fate, and the fate of those around her, forever. In the ultimate battle of love and loyalty, who wins?” -WorldCat
Skyshade by Alex Aster
The Lightlark Saga; Book 3
"Back in Grim's castle on Nightshade, Isla is reeling in the wake of a brutal battle and the devastating truths it exposed. Her future--and the fate of the world--now hinge on a heart split in two. Past Isla, who fell in love with the ruler of Nightshade, fights to resist feelings she considers treasonous. The Isla of the present, who has seen the ruin her powers can cause, will do anything to save Lightlark and its king." -Publisher
The Iron Vow by Julie Kagawa
The Iron Fey: Evenfall; Book Three
“After leaping through the portal to Evenfall, Meghan and her companions find themselves in a terrifying new world where Nightmares roam and glamour is nearly nonexistent. As their magic wanes and the creatures of Evenfall rise against them, the race to find the Nightmare King grows ever more desperate. But what they discover—about Evenfall, about the Nightmare King, about themselves—will shake everything they thought they knew to the core.” -Amazon
The Mirror of Beasts by Alexandra Bracken
Silver in the Bone; Book Two
“With the dream of Avalon in ruins, Tamsin and her friends are all that stands in the way of Lord Death's plans to unleash the horrors of Anwnn on the world of the living. As the Wild Hunt carves a bloody path across continents, Tamsin is mustering allies, tracking down powerful artifacts, and traversing into new otherlands in search of a way to stop him. Legend tells of a ‘Mirror of Beasts,’ powerful enough to trap even Lord Death in its accursed glass, but the mirror is not all that it seems. Tamsin must confront her own darkest secrets if she hopes to tap the mirror's strength to defeat her enemies.” -WorldCat