Yeah, this thread is old, but I feel like the fellow who answered had no real idea what he was talking about. - Lock On Could probably be done, but who ever did it would really have to know what they are doing and it would almost def. require a script extender. - Hits Actually "Hurting" There are injury mods, but in terms of difficulty there are also many combat mods that come close to what DS did. DUEL comes to mind. - Terrain Collision This is possible and was shown in the infamous Game Jam vid, and might be apart of a future update. - More Kinds of Weapons Spears have been the major one, but in terms of adding it in and animation I've heard things along the lines of "Skyrim's Engine couldnt handle it" which imho is bs, or "They'll be added at a later date". Honestly, I am sure almost any weapon within reason is possible in Skyrim, you just either have to look for a mod or make it yourself. - More Attacks There are animation mods that fix this, albeit most of them replace vanilla animations with whatever theirs is. In terms of them becoming unique animations after pressing a series of keys, I am sure this is possible since you can already do this, albeit the animations aren't really impressive. In total: Yeah, its all totally possible but altogether time consuming.