Sauron used the Tengwar script (Elvish letters) to inscribe the One Ring because the Black Speech of Mordor had no native script of its own and Tengwar was the superior, elegant, and versatile alphabet prevalent in Middle-earth for detailed, magical smithing. The script was designed by the Elf Fëanor and allowed for the subtle, fiery lettering needed for the enchantment.The words are normally invisible, but appear when the Ring is heated. This is not just decoration. The inscription is part of t