public class Mission
{
    public string Name { get; set; }
    public string Description { get; set; }
    public int XPReward { get; set; }
    public bool IsCompleted { get; set; }

    public Mission(string name, string description, int xpReward)
    {
        Name = name;
        Description = description;
        XPReward = xpReward;
        IsCompleted = false;
    }
}