Is Zbrush4 Chinese character case course (Zszs studio) worth buying?

It's not whether it's worth buying, but whether it's necessary or not. There are many free tutorials on the Internet, which can be downloaded and watched. If his tutorial content is not mentioned in other free courses, but what you want to learn, you need to buy it. If other free tutorials can replace this, you don't need to buy it. ? You might as well look for it in verycd.com. I think there will probably be a suitable tutorial to help you save money.

Are the following resources what you want? Look at my screenshot: