These phrases mean the same thing and can be combined into a single phrase. Alternate translation: "take away all their valuable possessions" (See: [[rc://en/ta/man/translate/figs-doublet]])
Here "ruins" refers to the people who live in the destroyed cities. Alternate translation: "against the people who live in the ruins" (See: [[rc://en/ta/man/translate/figs-metonymy]])