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The Silvery Eternity (シルヴァリー・エタニティ, Shiruvarī Etaniti?) was a Divine Instrument-class rapier used by Quinella. The rapier was destroyed by Eugeo after he fused with the Blue Rose Sword and attacked Quinella.
The Silver Eternity was a silver-colored rapier, the shade of colour of which was the same as of a mirror. It had blade that was as narrow as a needle, an elegant guard, a slender form that was like an ornament and exuded the aura of an overwhelming priority.
The Silver Eternity was a very high priority weapon that stored a great amount of resources, which could be used by Quinella for her high-level Sacred Arts. One of the most used arts with the rapier is firing lightning.
- The Silvery Eternity is the only known Divine Instrument which is named in English, instead of Japanese.