Alright, I have returned with an option to send the npcs into the oblivion. If anyone is interested, you can get it from the link below. Remember to drop the Mansion.tscn into strive\files folder.
https://mega.nz/file/wiYU3bSS#GjMnrOUjD-mLFhrUnkbRz9yEFZBadg151Pkh7OcNvVg