As for why they were lost for hundreds of years, going from three hundred people to a thousand... of course, it was because during those years navigating the Dark Outer Domain, they encountered some human worlds, supplemented their numbers, and preserved the Genetic Seed Bank of the chapter fairly well.
For more detailed matters, the clerks of the Alliance will concoct a very reliable history. Though unprovable, it's equally irrefutable.
That's enough.
Overall, the combat strength Gu Hang acquired from Alfonso is quite sufficient.
However, before he reached the Alfonso Star Domain, news came of a defector chapter from the Thistle Muster Star Field. Initially somewhat concerned, he later learned this chapter was named the 'Spear of the Dragon King' and its bloodline stemmed from the founding legion, the Giant Dragon Legion.
Coincidentally, the Alliance's Intelligence Department had some analysis concerning this chapter.
