The crisis in the island world has escalated across the board, and an all-out battle between islands has officially begun! With his sign-in system, Xiao Yi continuously unlocks cutting-edge equipment, expands his offshore base, and reinforces his villa fortress layer by layer. The remaining survivor factions have split apart, while the indigenous tribes have formed an alliance and launched a counterattack. Giant deep-sea beasts frequently come ashore to attack. Betrayal and ambushes threaten from within, while powerful enemies from multiple sides close in from without. Xiao Yi leads his companions in defending their home and, amid brutal battles, advances toward the ultimate truth of the island world.