The founder of Hong Kong Esports Limited, Derek Cheung, has successfully acquired all cards in Hearthstone and in GOLD. Blizzard officials have already confirmed this achievement as 'World's First' - to reach level 60 in every class & collecting all cards and in gold. Hearthstone is a turn-based strategy card game which requires an analytical mindset and high levels of understanding of the game. The collection of ALL golden cards can only be done through crafting with dust collected from disenchanting and awards from the Arena, as well as unlocking all hidden cards by reaching level 60 in every class..