Official documentation and community consensus indicate that KingRoot's effectiveness essentially ended with Android 5 or 6.
KingRoot relies on finding a in the Linux kernel. Google’s Android Security Team has become extraordinarily aggressive. With Android 13, several key protections make classic memory corruption exploits nearly impossible: kingroot android 13
KingRoot does not work on Android 13, nor will it ever receive an update to support it. kingroot android 13
If you really want root on Android 13, here’s the modern (safe) way: kingroot android 13
Have you tried rooting Android 13? Share your experience in the comments below—just remember to back up your data first!