While humanity's fate hangs in the balance, Sunny must confront the Nightmare Gates to save it in the fourth book in the gritty, dark fantasy adventure sensation, SHADOW SLAVE.

Having endured unimaginable trials within the Nightmare Realm, Sunny has become stronger, sharper, and more dangerous than ever before. His shadow power grants him abilities the poverty-stricken child of his youth could never imagine. Such power, though, comes at a cost.

Humanity is on the verge of plunging into a never-ending nightmare, and only Sunny and his allies can stop the Nightmare Gate threat.

Can he trust them though? Are his enemies really his enemies?
Every victory pushes him closer to uncovering the truth behind the Nightmares and who is really on his side.
For Sunny, the choice is clear: survive at any cost.

One of the most popular web-serials of all time, Shadow Slave has more than 255 million reads and listens. Shadow Slave is the #1 most-read series on Webnovel with more than 105 million reads and thousands of 5-star ratings. Now, the hit series gets a new life and progresses to a deluxe hardcover edition with Book 4!

"One of my favorite new reads! The world and magic system design are unbelievably intricate and impressive, and at each turn I couldn't wait to see what was around the corner." —Will Wight (New York Times bestselling author of Cradle)

About the Series: A dark progression fantasy series known for its deep world-building and complex power system. It follows the story of a shadow-ability wielding young man named Sunny as he navigates a brutal world where humanity must battle terrifying creatures in a nightmare realm to survive. Sunny is a calculating anti-hero who relies on intelligence and adaptability rather than raw power.

For fans of: He Who Fights With Monsters, Magic the Gathering, Dungeons & Dragons, Solo Leveling, Overlord, Omniscient Reader's Viewpoint, Cradle, Red Rising, Shadow & Bone, The Beginning After the End, and Lord of the Mysteries.