Journey of Embers
The Eladrin and Elf races have a shared belief of where their races originated from. They believe that there was a great being of high magical prowess. This being felt limited by his mortal form and cast if off. This form would be the origin of the elves and the magical form left would give birth to the Eladrin.
It comes to no surprise then that the Eladrin are highly trained and attuned with arcane forces. They tend to pay little attention to martial pursuits.
Their greatest weakness is their disregard of other forms of magic. They hold the arcane to be the highest forms of magic so it is rare to see one that practices divine or primal magics.