The look I had for Elves in this game setting and the Skraeling Tree was quite feral and wild, probably closer to horned beasts. Another concept I thought of was Elves being descended from Synthemata, akin to greek statues or marble or porcelain changeling automatons who had become feral and lost like ruins overgrown by a forest.
(had a lot of art similar to this picture
>>5490597 )
The truth of which outcome emerged probably depended upon some whims of player choices along the way