Get the idea from a article of the same topic(
The Duel at the Frozen Throne
Both of them were admired by many, but burdened with sad destinies. Both of them intended to protect, but followed the wrong path. These two talented men fought at the Frozen Throne, their life at the stake.
I bet Blizzard would reproduce all scenes which may be distributed in a seriers of WoW movies. But The battle between Illidan and Arthas sounds most interesting to me. What about you guys?