Hearthstone: Hero Music - Mal'Ganis
Directly from the Hearthstone game files! This is a remix of the Mal'Ganis theme from (fittingly) World of WarCraft 3.0: Wrath of the Lich King.
Thanks to thestralner6335 for helping me pinpoint the source!
Composer: Hillel Teplitzki (after Derek Duke), 2022
Music, art & logos used in this video belong to Blizzard Entertainment.
Play the game for free!: https://playhearthstone.com/