Mordew by Alex Pheby

In a city where the sea's tide brings forth a mysterious substance known as "God's Blood," a young boy named Nathan embarks on a perilous journey to save his ailing father. As he navigates the grim and decaying streets of a place ruled by a powerful and enigmatic Master, Nathan discovers a world filled with strange creatures, dark magic, and secrets that challenge his understanding of reality. With each step, he unravels the layers of a society teetering on the brink of chaos, revealing the true cost of power and the resilience of the human spirit.

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