Soulless Soul

Sky, a young orphan living on the streets, receives a calling from the Dungeon Array to enter a magical world filled with monsters and other Awakened. But he makes a fatal mistake—he hesitates. Thrown into a realm where the weak are doomed, he must fight to survive. Yet when his first Dungeon Run takes something far more precious than his life—his soul—Sky realizes that death was the least of his worries. What price will he pay for survival? — Description from novelcodex.org