It might be best to translate so that the reader understands that other people, perhaps Hilkiah and "the priests under him" ([2 Kings 23:4](./04.md)), might have helped Josiah do these things. (See: [[rc://en/ta/man/translate/figs-explicit]])
You may need to make explicit why he burned the bones. "he burned human bones on them so no one would use them again" (See: [[rc://en/ta/man/translate/figs-explicit]])