(Source: Storm King’s Thunder, Page 91)
Micro-Worldbuilding Opportunities: The High Forest itself is large enough to have their own complete campaign and people who go too far inside the forest will find themselves in a Natural Made Demiplane. My Thursday table were only able to brave their own path across because, in the middle of the venture, they gave some dead druids a respectful burial.
Woodland spirits might be overprotective, but they know props when they see it.
On the heels of that thought: Even if you do appease the spirits there, the Elves there might be another story, this forest will have the highest amount of Eldreth Valuuthra members in there.