Tazaarfeyn

, also know as Tyrant's Bane, is a unique sword. It was forged by Harold Burned-Mane as a gift for Darius Septim, it was given to him during the battle for the Imperial City in 4E 215.

Trivia

 * Tazaarfeyn was originally a Imperial Dragonbone sword, but since the mod didn't work it was changed to the Sword of the Ancient Tongues.
 * The dragon language inscription on the sword translates to "Dragonborn, by his honor is sworn, to keep evil forever at bay."