The Old Republic Timeline 4: The Empire Changes Strategy is the fourth in the series of in-universe videos, providing backstory for the Star Wars: The Old Republic video game. The video is presented in the form of a record entry made in the Jedi Archives by Jedi Master Gnost-Dural. It detailed the rise of the new Mandalore with the help of Imperial secret operatives.

It can be viewed here:

https://youtu.be/srep__09hTM