Hearthstone: Kobolds & Catacombs devs on the challenge of following up Un’Goro and Death Knights

Hearthstone is going on a treasure hunt in its next expansion, Kobolds & Catacombs, which is launching for the digital card game next month on PC and mobile.
This will be Hearthstone’s third expansion of the year, and the last set Blizzard will add to the game before starting a new Standard cycle in early 2018. This means that a lot of cards will be eligible in Hearthstone’s most popular mode. But Kobolds & Catacombs isn’t just 135 new cards. It’s also adding a ne