Whatever that was, it goes against all logic. Something with no life should not be able to move on its own. Even undead have their own magic to them.

[Was it even a creature? Who knew. Well, he had absolutely no intention of staying around to find out. Illidan picked a direction and started trudging through the wreckage, stumbling a bit as he tried to navigate it.]

The dislike of our presence seems to be somewhat common here.