Hearthstone’s next expansion, Knights of the Frozen Throne, introduces Legendary Hero cards July 8, 2017 by admin Tweet Hearthstone’s next expansion introduces Death Knight Hero cards, which transform your hero mid-game into a Death Knight with a new power, as well as Lifesteal cards that return damage dealt as life. Read more… Neowin Related Posts:GoPro announces new Hero 11 Black and Hero 11 Black MiniXbox Storage Expansion Cards hit all-time low, now…Black Friday: Get Seagate's Xbox storage expansion…Western Digital finally announces its WD_Black Xbox…512 GB and 2 TB Xbox Series X|S Storage Expansion…