See Game Of Thrones The Mountain Actor's Incredible Physical Transformation For Boxing Match

Hafþór Júlíus Björnsson, known for playing The Mountain on Game of Thrones and for his status as the world's strongest man, has undergone a massive physical transformation.

Björnsson is currently training for a boxing match, and with the event coming up very soon on September 18, he is now in top shape for the showdown.

Björnsson showed off his dramatic physical transformation on Instagram recently, posting a series of before-and-after photos. As you can see, he is now incredibly cut.

Björnsson takes on Devon Larratt in Dubai on September 18 in what should be a compelling boxing match. He said on Instagram, "Saturday the 18th I'm fighting and I cannot wait to show you my improvements. [Devon Larratt] be ready for war!!"

The Björnsson vs. Larratt bout is the main event at the fight on Saturday. The fight is scheduled to run for six three-minute rounds, or until someone gets knocked out. The fighters will wear 12oz gloves and no headgear. The PPV costs $10 USD.