Polish fansite Arcania Center has published an interview with Arcania: A Gothic Tale community representative "EDL", though some deciphering is required to figure out what the interviewer means.
Arcania.gram.pl: Will it be something like the example: We shoot someone in the leg and he limp, or in his hand, and he can't move it?Thanks, RPGWatch.
EDL: Do you mean if the opponents have hit zones? Yes that should be the case. But the question of detail is not finally answered.
Arcania.gram.pl: Will be able to sleep on the ground? For example, we are in the forest is a night and we don't have chance to reach settlements and what then?
EDL: You cannot sleep unless you find at least a bed roll or something similar.
Arcania.gram.pl: Does the skills system will be resolved as in the G2 or G3 or something else like growth tree. By the way how it will a diary look?
EDL: More like a tree where you can spend your points. No diary is in the game so far, but you can see what you have done in your questlog.