Diablo 4 has been available for a little over a week, and the game has swiftly gained immense critical acclaim and an astonishing level of popularity. Notably, Diablo 4 has already secured the title of the fastest-selling Blizzard game ever.  In a recent revelation by Blizzard boss Rod Fergusson on Twitter, it was disclosed that the most popular class in Diablo 4 currently is the...