In order to root the boox we need to decrypt its ISO Image and patch it with Magisk.
git clone https://github.com/Hagb/decryptBooxUpdateUpx.git
yay -S python-pycryptodome
http://data.onyx-international.cn/api/firmware/update?where={%22buildNumber%22:0,%22buildType%22:%22user%22,%22deviceMAC%22:%22%22,%22lang%22:%22en_US%22,%22model%22:%22Poke3%22,%22submodel%22:%22%22,%22fingerprint%22:%22%22}.