Slim White Aura

The Slim White Aura is exclusively and randomly available from Promethium Lockboxes.

Obtained from
Promethium Lockbox

Trivia
The color of this item is not affected by your color palette.

It's one of the rarest auras as far as trading is concerned.

Updates
Previously being bound to the player's account, auras are tradable since game update 26.