Minor tidbits:
May wanna remove that commaserving as a key member in the development of many colonies,and eventually going on to found the Holy Imperium of Nabban,
Would replace its with "the ERN's" since it sounds a bit weird saying "Their return as GA would see.. its forces" which is the implied structure when you skip the other two comma thingsand its forces leading the way in large anti-fascist operations like Operation Drama Llama, an attack targeting dozens of notable fascist regions,
word insert(serving at such a high degree of excellence that they have been elevated to the status of “Crown Prince”, heir to the throne of Balder)