The next book of the series!

In the endless game of Sphere of Words, the trader named Cat continues searching for the Keys hidden by the dead creators of the virtual reality. This time, he has to visit a clockwork world, survive a brutal commercial war with a Chinese alliance, usurp all trade of astral ships, and most importantly, solve the personal quest of his companion Weldy.

Cat will follow the trail of the extinct Ancients, find their cache, and learn the secret of summoning the Primal Shadow. But what use is his cunning, wit, and bravery when the enemy possesses the legendary Devil Archetype?