Geological / environmental event
It is said by the Graveguard that seedlings were given by three entities to make the Great forest L'echor Emel.
It is said that the forest was born from the gestations of three seedlings. One for Growth, one for Longevity and one for death. It is widely accepted that Truebirth gave growth but as the Elves of L'echor Emel know, growth can be a cancer in ones soul but that would come later, Longevity is unknown and faded just like the honour of the event, Death was given by the first of the Myconids who arose from the Nightfall and knew their place at the beginning. This is the most common version of the Seedling's Touch the tale once told but remember tragedy is always hidden within the three.