Shortly after General Kalani and his droid soldiers escaped from Agamar, the super tactical droid made the decision to try and re-build the separatist alliance, activating a large dormant droid army, and setting course for an unknown world...
Grievous dies at the end of the clone wars. The force isn’t satisfied with this ending however. Read as Grievous discovers the will of the force concerning him and Equestria, as he is forced to deal with love and friendship.