As a former user of NWN2 modding tools I would like to direct you to certain NWN2 custom content still available (although IGN they shut down nwvault the former main modding hub)

For Terrain building and Mapping there were some really sweet plugins (yes we want plugin support also for DOS2!). Made by users to improve functionality and usability, these could be excellent examples of how to improve the editor:

well beside that i really would like to have more cinematic tools like cameras cutscenes overshoulder action in combat camera like XCOM. Though dont know if the assets will allow it.