Ever since Illidan's defeat at the Frozen Throne, Darnassus had lost contact with him. Only later, after passage between Outland and Azeroth was reestablished, did news of the Black Temple reach Darnassus.
The news Tyrande obtained from within the Alliance was not good. After returning to Outland, Illidan had gradually succumbed to a thirst for power, irritability, and paranoia, while the growing number of demons in the Black Temple also signaled that he was no longer much different from those demons.
Tyrande could not believe Illidan would become like this, so this time, she personally led her troops to Outland alongside the reinforcements.
But the truth was cruel after all. Not long after arriving in Outland, Tyrande discovered that her strength was gradually declining. This continuous decline was very strange.
On Azeroth, Tyrande was the Priestess of the Moon renowned throughout the continent, and her power to command the stars was unparalleled. In particular, her ultimate technique, Starfall, was known to everyone across Azeroth. It was precisely this power of the stars bestowed by Elune that allowed Tyrande to prove through her deeds that she was the Moon Goddess's Guardian.
Yet after arriving in Outland, Tyrande discovered that she had lost the ability to unleash Starfall. This sudden change caught her off guard, and she continued looking into the reason for her declining strength.
"I need to be able to contact Illidan directly." Tyrande's thoughts about Illidan differed from everyone else's. Even now, she was unwilling to believe that he had wholly sided with Kil'jaeden. Meeting him directly was the best choice.
Tyrande had faith in Illidan. Not everyone shared a bond spanning more than ten thousand years, and she was certain that he would not hurt her.
"My lady, if we could contact Illidan, would any of this still