This has the makings of a very dangerous evening...

From L to R: Dark Lord Russian Style Imperial Stout (3 Floyds Brewery, Indiana, with thanks to Mr Turnbull,15%), Alice Porter (BrewDog, 6.2%), Conqueror 1075 Black IPA (Windsor & Eton Brewery, 7.4%), Paradox Jura (BrewDog, matured in Isle of Jura Whisky casks, 15%).