Where to start? Where to go? The right reversing path (?)

[vitriol]

Sure. I started myself with this book:
"Rootkit Arsenal: Escape and Evasion in the Dark Corners of the System" - Reverend Bill Blunden.
Also: "Mastering Malware Analysis: The complete malware analyst's guide to combating malicious software, APT, cybercrime, and IoT attacks"
And "Windows Internals" (Series)
Though the first one is the best for getting into kernel land, if that is even what you want?

A great hands on practice will give you the "Extreme Vulnerable Driver". It comes with a huge collection of blogs that explain you all the different flaws in the driver and how to exploit them on modern systems.

If you rather want to stay in userland then you may want to simply search for "Awesome *WHATEVER IT IS* Collection"s on github, I'm sure it will help you to find the things you're interested in.

Here is also a nice collection "https://www.vx-underground.org/windows.html"
They also have a huge list of malware, so you can just google for reversing tuts.

Also on youtube there are some channels I can recommend you:
"Malware analysis for hedgehogs"
"OALabs"

Hope it helps