Original Boundary Erosion

Lin Shu, who suddenly recovered from a terminal illness, found a pebble growing in his palm that could open a passage between the two worlds. From this moment on, he is no longer an ordinary person. Original souls invade, factions fight, passages collapse... He has to become stronger in order to protect the people he wants to protect. When the key is in his hand, he chooses to be a shield instead of a sword.