Demonbolt is a Warlock spell card (rarity: common) that belongs to the "Rastakhans Rumble" set, which was released on 04.12.2018 and is one of initially 135 cards. The artist of this card was Akkapoj T., who also made 18 other artworks for Hearthstone.
The card costs 8 mana and its card text reads: "Destroy a minion. Costs (1) less for each minion you control."
The flavor text of the card is the following: Or as it’s known in troll, “De bolt, mon.”
Based on 81 quiz answers, the card is easy to memorize: 94% of them were correct. The question on “Cost” is answered correctly most often (100%), the one on “Name” least often (90%). An answer takes 5.6 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 83% of the time.