Jarkimond was the last Night Elf immortal. His spirirt is the combined remains of the wisps that destroyed Archimonde at The Battle of Mount Hyjal and his original spirit. Although the blessing of his imortallity comes from Elune herself, he is shunned by the Night Elves, as they beleive that he has dabbled in the arcane powers to re-gain his imortallity.
Jarkimond is also a direct desendent of The Naga Queen, Azshara, and so many beleive him to be corrupt.
But even with the Keldorein races disowning him, he is still faithful to Elune and the elves.
Trying to find redemtion and status with the night elves,he has quested through out Azeroth and outlands, helping to fight The Burning Legion and the Scourge.
But his trying fight with the Lich King, Arthas.........