>>721127098
The reason Aubin doesn't give out his crest in Fodlan is the fear somebody will attempt the Rite of Rising again. The chance of somebody doing this in Dagda is near zero because they lack the other three crests needed and don't even know of the ritual's existence. Aubin would not be as hesitant to give needy kids his crest there.

Also, Cai has extra powers. He clearly is not a normal crest bearer. The idea that he's just inherited it normally is unbearably retarded because he very clearly is not a normal crest bearer. Cai's existence and special connection to Aubin outright hard deconfirms the idea this game is a sequel because Aubin dies before 3H starts.