You could try OCLP with AMFIPass, which eliminates the previous requirement to disable Library Validation and AMFI, and is currently in beta (will soon be merged into the main OCLP):

https://github.com/dortania/OpenCore-Legacy-Patcher/releases/tag/amfipass-beta-test

(Works fine with Fusion on my late 2013 15” MacBook Pro…)