public async Task <ActionResult> DeleteAchievement(Guid Id, CancellationToken Cancel)
        {
            try
            {
                await AchievementService.DeleteAchievement(Id, Cancel);

                return(NoContent());
            }
            catch (ArgumentNullException ArgExp)
            {
                return(NotFound());
            }
            catch
            {
                return(BadRequest());
            }
        }