BrewDog, the controversial Scottish brewer, has claimed to have created the world’s most strongest and expensive beer The End of History, a 55% ABV beer priced at £500 for a 330ml bottle, is also served in bottles covered with stuffed animals. Last year, BrewDog launched a 41% abv quadruple IPA called Sink the Bismarck!, priced at £40 for a 330ml bottle.