>>535632878
You can easy say a throwaway line that they are companions and the qucusaur is always close.
And Chasca can simply call it with a whistle, it does make more sense than a fucking flying revolver to appear out of nowhere.
But that can be said out of many characters, it shouldn't matter much while in gamepla because it would be one of those things you shouldn't think too much about like where does Mavuika keep that bike.