41. His voice can be heard in the digital collectible card game by Blizzard Entertainment, " Hearthstone : Heroes of Warcraft ". 42. Blizzard also added a " Leeroy Jenkins " card to their popular online card game " Hearthstone : Heroes of Warcraft ". 43. The eminence upon which Hearthstone Castle is built is approximately 650'above sea level and commands panoramic views to the north and east. 44. In 2014 at Defcon he showed how to use machine learning to predict what the opponent will play for the card based game Hearthstone . 45. The most popular songs from his career, Pavievi published on greatest hits album " Ognjiate " ('Hearthstone '). 46. The game plays similarly to " Hearthstone ", but the developers sought to minimise the impact of randomness on match outcomes. 47. To mark the release of " Hearthstone ", Blizzard released the Hearthsteed mount for " World of Warcraft " players. 48. WSVG hosted a LAN event in Maldives in October 2015 which included games like Starcraft 2, Hearthstone , FIFA & Age of Empires 2. 49. Unlike physical trading card games or other digital ones, " Hearthstone " was designed early on without any trading system between players. 50. The time may have to come when they will have to be faced, with Ulster people fighting for their hearthstones , and for their livelihoods.