In the 7th chapter we read after this, "I kept looking in the night visions and behold the 4th beasts," this corresponds with the 4th kingdom..."dreadful and terrifying, extremely strong and had large iron teeth.
7 "Endzhaku ka leswi ndzi ya emahlweni ndzi languta eswivonweni swa nivusiku, waswivo, lahaya a ku ri ni xivandzana xa vumune, lexi chavisaka, lexi nga ni khombo, lexi tiyeke hilaha ku nga tolovelekangiki.+ A xi ri ni meno ya nsimbi, lamakulu.