orologio en Altadefinizione. A perfect line, with tiny holds on a 40 degree wall: this is EXCALIBUR. In a joint effort with the best climbers in the world, Stefano Ghisolfi accepts the challenge of climbing this incredible route, which is located just a few steps from his home in Trentino. After two years of dedication to the project, Stefano manages to conquer the first ascent of what is today the most difficult route in Italy and one of the hardest in the world: Excalibur 9b+.