National Voyage: Survive In The Ocean Of Gaowu World

(The rating just came out, so it is a bit low, it will be raised later)
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As everyone traveled through the ocean world, Li Cheng was forced to start a sea survival journey as a survivor.
The vast sea is full of dangers, full of dangerous sea beasts, and monstrous tsunamis are constantly chasing behind them. How should survivors survive?
Search for supplies and enhance combat power. Resources and fists are the rules of survival at sea!
And some lucky people have some special ships that can help them survive better.
Li Cheng is lucky enough to be one of them, and there is a treasure map in the ship...
As the survival continues, the changes in the ocean world are becoming more and more intense...
(The treasure hunt is just an introduction to the plot, and will not be described in too much. The focus is still on the ruins. Those who mind, be careful!)
(The main focus is survival in the early stage, and the exploration of ruins in the middle and later stages plus high martial arts)