From Guild Wars 2 Wiki
Eternity is a legendary greatsword crafted from the Mystic Forge and serves as a combination of the two legendary greatswords Sunrise and Twilight. Eternity is identical to Sunrise during the day, and Twilight during the night, with the exception that it has no footstep effects.“
— In-game description
To view the animation click here: Eternity video demo
- The risen High Wizard protecting the gates of Arah in the Gates of Arah meta event can be seen wielding Eternity.