I understand you're looking for a (version 9.0.7) for use with Magisk — but it seems your message also mentions “interesting essay,” which might be a typo or a copied snippet.
⚠️ Using someone else's patched boot image can cause boot loops if firmware doesn't match exactly. download 9.0.7 patched boot image for magisk
Always back up your data before flashing boot partitions. I understand you're looking for a (version 9