Greetings. I recently got into the High Republic, still reading more of the side content but I am caught up to the current book. A thought has crossed my mind;

Could the Nihil and Republic be manipulated by Darth Tenebrous? His existence could be the ultimate and symbolic end to the theme of the High Republic. His existence is barely Canon but his existence in legends should line up very near the time line of this series and making a beautiful knot on the tie to the Prequel Era.

Regardless of possible Sith reveals at the end of the Series, the dedication to showcasing the Jedi Order's logical future downfall has so far been impressive. What more do you belive could happen by the end of the series?

Marked for spoilers to allow for a more open discussion.