The 2 Ring

The 2 Ring is a vast upgrade to The 1 Ring.

Source
The 2 Ring is only obtainable through the fishing daily quests given by just northeast of Shattrath City near Silmyr Lake. Doing the daily fishing quest always rewards you with Bag of Fishing Treasures (Terokkar Forest). The Bag of Fishing Treasures has an extremely low chance to contain The 2 Ring.

Trivia

 * Direct reference and humorous variations on The One Ring, the most powerful item in Middle-Earth, which drives the plot of Lord of the Rings.