Jack is easy to do, but Darkness requires a bit more, so here's a bit more of him: This part is just an awesome scene and shows that even something that threatens the universe pales in comparison to his own power:
Maybe you'll be interested in some of that other old stuff and decide to release that too? Would be awesome if you did but from the way you said it, it sounds like a lot of it was just unfinished and would take more work then it's worth.
Funny, I liked it purely because it's medieval looking, imo, what can personify a bad-ass sith is his character and his attire, both of which Darth Krayt rocks proudly. Plus his unarmored self is... kinda lame, imo.
Primarily the diamond sword, but if not, thats cool. Figure this is low-poly enough for JKA, and there's been some minecraft models for a few years now without a single weapon to answer that call. The sketchfab model comes with a download which makes it ripe for porting