The first thing that came to my mind when i read that phrase was that whatever this "script" is, it must be a pretty awesome piece of work.
Any sentence not pertaining to wind turbines
Answer: Oona is planning to ambush the Russians.
In this excerpt, we see that Oona is instructing Negore as to how to lead the Russians. Oona states that Negore should show them the way, to where they wait in a passage up the rocks. The fact that they are hidden, and that they are waiting for the Russians to pass, along with their negative attitude towards them, implies that they are planning an ambush for the Russians.
To entertain. The books are literally a fantasy series. I suppose it also helped her through her depression and such, but her actual purpose was to entertain and teach some morals suck as the importance of friendship.
