The answer to this question is quite simple as it has already
occured once in our history, Lord Twilight blanketed the forest
in eternal darkness and drained the power of the groves, perhaps
it could occur again, but I do believe that this is beyond
any mortal to do so.

GrandMaster Laergon

Penned by my hand on the 21st of Scarlatan, in the year 243 AF.