In short, Bran is immensely powerful, having been guided in his abilities by the Three-Eyed Raven, the former and quite powerful Greenseer. But beyond being merely powerful, here's why Bran is the best choice for the Iron Throne. Some of the potential candidates for the Iron Throne have gained considerable power because of the renewed proliferation of magic. From the standpoint of internal justice, no false convictions are possible in a Westeros ruled by King Bran. Either way, Bran has what it takes to make a fine occupant of the Iron Throne.

Source: Forbes April 15, 2019 16:03 UTC