void ParseDescriptionFormula(RowInfo r, string columnId, StringBuilder descFormat, Dictionary<string, AbilityTKArgument> partTKArgs)
        {
            var formula = r.GetFormula(columnId);
            if (string.IsNullOrEmpty(formula))
            {
                descFormat.Append(r.GetTrimmedString(columnId));
                return;
            }

            var formulaParts = formula.Split('&');
            for (var i = 0; i < formulaParts.Length; i += 1)
            {
                var formulaPart = formulaParts[i].Trim();
                if (formulaPart.StartsWith("\""))
                {
                    var text = formulaPart.Trim('\"');
                    if (text.StartsWith("(X)"))
                    {
                        text = text.Substring(3);
                        PrintUniqueWarn("Removed (X) from description, it's deprecated, row: " + r.Row);
                    }
                    descFormat.Append(text);
                    continue;
                }

                object value;
                string format;

                var match = TextFuncRegex.Match(formulaPart);
                if (match.Success)
                {
                    var groups = match.Groups.Cast<Group>().ToArray();
                    value = Worksheet.Calculate(groups[1].Value);
                    format = (string)Worksheet.Calculate(groups[2].Value);
                }
                else
                {
                    value = Worksheet.Calculate(formulaPart);
                    format = "0";
                }

                if (value is double)
                {
                    value = (float)(double)value;
                }

                descFormat.Append("{" + partTKArgs.Count + "}");
                var arg = new AbilityTKArgument() { Format = format, IsConst = true };

                if (value is float)
                {
                    arg.FloatValue = (float)value;
                }
                else if (value is string)
                {
                    arg.StringValue = (string)value;
                }
                else
                {
                    PrintUniqueError("Unsupported arg type: " + value.GetType() + " in row " + r.Row);
                }

                foreach (Match cell in CellRefRegex.Matches(formulaPart))
                {
                    var addr = new ExcelAddress(cell.Value);
                    if (IsColumnAffectedByMastery(addr.Start.Column))
                    {
                        arg.IsConst = false;
                    }
                }

                partTKArgs.Add(format, arg);
            }
        }