Global Submersion: I Sweep Through the Apocalypse in a Super Battleship

Apocalypse + Rebirth + Super Battleship + Decisive Sofa Action + System + No Mary Sue: The world has entered a period of vast oceans, leaving only 5% of the planet's land and 80% of humanity perished! In his previous life, Li Tianyang was killed by those he had helped, who only wanted to steal his last bit of food. Now reborn a month before the apocalypse, Li Tianyang is bound to a super battleship system and begins building the strongest battleship in the post-apocalyptic world! A period of vast oceans? I have a super battleship to sweep across the globe! In the face of the apocalypse, others will give up everything for a bite to eat, but Li Tianyang, with his super battleship, can obtain any resource he desires! He can even grow vegetables in his own backyard! How about that?