Según el post de XDA, entiendo que el orden debería ser:
rom→kernel→magisk
First time:
Reboot to recovery
Flash FloppyKernel.zip
Flash magisk (optional to get root)
Wipe cache e dalvik cache
Reboot
Update the kernel:
Reboot to recovery
Flash FloppyKernel.zip
Wipe cache e dalvik cache
Reboot
Coming from another kernel:
Reboot to recovery
Flash your ROM
Flash FloppyKernel.zip
Flash magisk (optional to get root)
Wipe cache e dalvik cache
Reboot
