Therefore [Sauron’s] flight was but a feint, and he soon returned, and ere the Wise could prev

Therefore [Sauron’s] flight was but a feint, and he soon returned, and ere the Wise could prevent him he re-entered his kingdom in Mordor and reared once again the dark towers of Barad-dûr. ~ The Silmarillion, Of the Rings of Power (Art: “Approaching Barad-dur” by flatcapart on DeviantART)