Escape from the Underworld (en Inglés) - Molly J Stanton

She went to wake the gods. She woke in chains.

Harper O'Neill dove through the collapsing portal into the Underworld to rally the Celtic gods to her cause. Instead, she's being torn apart. To save the life of the warrior who once hunted her, she traded her freedom to an ancient hag for a year and a day.

Now she stirs a vile potion under her captor's ruthless eye, day and night without rest. Every time she tries to run, cold manacles drag her back. Yet the enchanted sword she drew against Badb Catha won't let her stay. It screams inside her skull, hijacks her limbs, and demands she return to a battle raging an entire world away.

Day by day, the blade's pull strengthens into a shrieking storm that threatens to shatter her mind long before the manacles release her.

Back in Portland, Emilio Soliz is fighting the war Harper left behind. Twisted into a winged, iron-feathered weapon by Badb's experiments, he leads nightly raids to pull innocents off the streets, fueled by a thirst for vengeance that's eating him alive.

When Badb unleashes a force that can turn a city block to rubble with a single glance, Emilio knows rage alone won't save anyone. To wield the one artifact that can stop her, he'll have to embrace the very thing he despises: himself.

And a world away, Harper discovers a power her captor can't control. But each time she wields it, the Underworld crumbles more, and her mind unravels further. 

Two worlds are dying. The gateway between them is failing. If Harper can't break free and Emilio can't stop running from what he's become, everyone they love will die. 

Escape from the Underworld is the gripping third book in the Last Battle of Moytura Celtic urban fantasy series. If you love fierce found families, impossible bargains, and heroes who refuse to break, you'll love Molly J. Stanton's unforgettable adventure.