Corrupting Mist is a rare Warlock spell card that belongs to the "Journey to Un'Goro" set, which was released on 06.04.2017 and is one of initially 135 cards. The artist of this card was Zoltan Boros, who also made 247 other artworks for Hearthstone.
The flavor text of the card is the following: The most terrifying of Un’goro magics is both silent… AND deadly.
The card is easy to memorize with 90.91% of correct quiz questions.
