public static float CalculateXP(INetworkManager networkManager, CharacterPublicInfoHolder hero)
    {
        var ClassLevel = hero.Level;

        int minXpForCurrentLevel = networkManager.Client.Balance.Player.Class(hero.Class).GetMinXPForLevel(ClassLevel);
        int maxXpForCurrentLevel = networkManager.Client.Balance.Player.Class(hero.Class).GetMinXPForLevel(ClassLevel + 1) - 1;

        float deltaXp = maxXpForCurrentLevel - minXpForCurrentLevel;
        float xpProgress = hero.XP - minXpForCurrentLevel;

        return ((xpProgress + 0.01f ) / deltaXp);
    }