Everest Productions has more recently posted another excerpt from a planned part two, covering the Battle of Belderone.
https://www.youtube.com/watch?v=Kd67-Wpu3-w
He explains the loss of the planned part two by file corruption but is slowly recreating content from scratch.
Of interest, on his channel, he has also animated certain scenes from the Dark Lord-The Rise of Darth Vader.