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1.
The ultimate hero-killer damage-taker in Warcraft 3, he deals death to armies with his ultimate superpower.
Illidan StormRage raised the Naga to fight for him against the Undead.
by Helicaltwang March 11, 2004
 
2.
Illidan Stormrage is currently the self-proclaimed Lord of Outland, ruling from the Black Temple. He was born a night elf, and as stated by Maiev Shadowsong, is now "neither demon nor night elf, but something more". He is the twin brother of Malfurion Stormrage and was (perhaps still is) in love with Tyrande Whisperwind. Once an unusually gifted sorcerer, the extent of his powers today are difficult to classify, due to his powers increasing in large bursts as a demon hunter, sorcerer, and having absorbed the powers of the Skull of Gul'dan.
Once we get to the peak of black temple, Illidan will be there, and we will kill him.
by Kietsu February 19, 2009
 
3.
Perhaps my favorite Warcraft III character. Illy is a semi-demon and the leader of the Naga. Seconds in command are Kael'Thas and Lady Vashj. I like to call them the Three Junkies.
C'mon, Illidan, it's just a flesh wound. It's not over yet. Get up and kill Arthas/Ner'Zhul or Kil'Jaeden is gonna want your ass.
by Melanie October 21, 2003
 
4.
The ultimate badass character in warcraft. Imprisoned for over 10,000 years, he finally was set loose when the demonic invasion began. He has twin blades which he uses in battle.

Illidan is also blind
I'm gonna pWn j00 with my demon hunter pH00l.
by ArchDevil November 03, 2003