public List <int> promotion_bonuses(int class_id) { if (Class_Data != null && Class_Data.get_class(class_id) != null) { var promotion_class = Class_Data.get_class(class_id); return(Enumerable.Range(0, Generic_Stats[(int)Generic_Builds.Normal][0].Count) .Select(x => promotion_class.Generic_Stats[(int)Generic_Builds.Normal][0][x] - Generic_Stats[(int)Generic_Builds.Normal][0][x]) .ToList()); } return(null); }