Ever since being dragged out, Shen Haiping no longer wanted to experience the feeling of oxygen deprivation and dizziness. The reason he could sense the breath of the sea was probably that he recalled the swaying feeling on the ship...
His office was set up in a relatively spacious large cave, with all sorts of supplies piled around: mostly useless wood and a small amount of ammunition.
There was truly no food left, and the precious water resources were already running low. The good news was that there were still some streams and underground water in the area they controlled; the bad news was that there were tens of thousands of people needing water.
If the Orcs were more ruthless, they could simply poison some of the streams to thoroughly disgust these goblin lunatics who refuse to surrender.