Necrotic Geist is a common neutral minion card that belongs to the "Knights of the Frozen Throne" set, which was released on 10.08.2017 and is one of initially 135 cards. The artist of this card was Ian Ameling, who also made 26 other artworks for Hearthstone.
The flavor text of the card is the following: An eye for an eye, and a ghoul for a ghoul.
The card is easy to memorize with 90.78% of correct quiz questions.
