In 2029, the global "spiritual tide" broke out, cracks in the alien world tore open from the center of the earth, and the old civilization collapsed overnight. Among the human survivors, a few people have awakened the "Wugu" - a concrete fighting core, which is divided into animal martial arts, weapon martial arts, elemental martial arts, and conceptual martial arts (extremely rare).
Warrior level: Bronze Skin → Iron Bone → Blood Exchange → Condensation Gang → Walking in the Sky → Shattering Mountains → Moving Mountains → Shaking the Sea → Reaching for Stars.
Monsters can evolve by devouring humans, and humans can obtain "spiritual core" breakthroughs by killing monsters, but the price is that when absorbing the spiritual core, they will see memory fragments of the monster's life and bear its pain and fear.
