Precivilized Visionary

A young man from another world caught up with the great fortune and caught up with the wave of time travel. He thought it was an ordinary world. After an encounter, he realized that he had arrived in a pre-Collapse civilization that was full of dangers. Along with him came a strange object called the "Sea of ​​Chaos", with which the young man embarked on the extraordinary journey of a "visionary". Relying on his spiritual ability, can he survive in this world, and can he rewrite the ending? The introduction is too weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.