1st time in my life I get a Error HTTP 451 even had to look up https://en.wikipedia.org/wiki/HTTP_451 and I have to admit the reference to Ray Bradbury's 1953 dystopian novel Fahrenheit 451 is pretty neat.

Consequently because the proxy link you provided is relying on CloudFlare which is itself blocking access I recommending link first to the original content https://annas-archive.org/torrents and optionally to mirrors, proxies, etc.