If you still want to proceed with unstable/experimental methods, I can point you to XDA threads, but I strongly advise against it for daily use. Let me know how you’d like to proceed.
I see you're asking about rooting a running Android 7.0 Nougat with a focus on a "solid feature" — likely meaning a stable, fully functional root method. g925a root 7.0
Here’s the short answer: