How long does it take to learn ten-level soft pen calligraphy?

If you keep practicing calligraphy every day for three years, you can basically get 10! The following is the score:

Calligraphy 1-3 level optional copying: copybook is not limited, and you can choose either regular script or official script.

Level 4-7 optional copying: copybook is not limited, and you can choose one of regular script, official script, seal script and running script.

8- 10 level can be copied: copybook is not limited, and you can choose one of regular script, official script, seal script, running script and cursive script.

It will be realized in three years.