In the section discussing the unused worm colossus (Dionin), it says "an early preview video does show would could have been an early model for Dionin."
The hyperlink takes you to a youtube video that is unavailiable. Does anyone have more details about this video, or even a reupload?
https://tvtropes.org/pmwiki/pmwiki.php/Trivia/ShadowOfTheColossus