This can be stated in active form. Alternate translation: "they killed the fourth animal, destroyed its body, and gave it to someone to burn it up" (See: [[rc://en/ta/man/translate/figs-activepassive]])
The animal was killed because the judge determined that it was guilty. Alternate translation: "they executed the animal" or "the judge commanded and they killed the animal" (See: [[rc://en/ta/man/translate/figs-explicit]])
This refers to the fourth animal that had the ten horns and the horn that spoke boastfully. Alternate translation: "the most frightening animal" or "the animal that had the boastful horn"