Eternal Flame Ring

Eternal Flame Ring is an Item obtained from the Flaming Worm, Lava Blaze and Lava Pigman Sea Creatures, which can be caught while lava fishing in the Magma Fields of the Crystal Hollows. Its use and drop chances are currently unknown.

It has been confirmed to be a part of the achievement 'The Ring' via the API, though it hasn't yet been acquired.

Trivia

 * The Eternal Flame Ring is stackable.