I Can Become Invincible If I Drink Water

In the era of spiritual recovery, Yu Zhao got a smart watch. By drinking a certain amount of salt water every day, he could exchange a large amount of cultivation in the watch. At the same time, some rumors began to appear among the people, and there may be another civilization under the sea. At first, these groundless remarks were just the talk of most people after dinner. It was not until one day that the Sea Tribe landed and harassed coastal cities, and various monsters emerged from the mountains and seas. Only then did humans realize that this was an unprecedented crisis...