using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    private CharacterController CharacterController;

    private void Awake()
    {
        CharacterController = GetComponent<CharacterController>();
    }

    void FixedUpdate()
    {
        var moveHorizontal = Input.GetAxisRaw("Horizontal");
        var moveVertical = Input.GetAxisRaw("Vertical");
        var movement = new Vector3(moveHorizontal, 0F, moveVertical).normalized;

        CharacterController.Move(movement * Time.fixedDeltaTime * 0.2F);
        if (movement != Vector3.zero)
            transform.rotation = Quaternion.Lerp(transform.rotation, Quaternion.LookRotation(movement), 0.5F);
    }
}

using ShinyStatsn;  // Enable ShinyStats.
using UnityEngine;
using UnityEngine.SceneManagement;

[RequireComponent(typeof(ShinyStatsEntity))]
public class HealthSystem : MonoBehaviour
{
    public double MaxValue;
    public double CurrentValue;

    private ShinyStatsEntity ShinyStatsEntity;

    private void Awake()
    {
        ShinyStatsEntity = GetComponent<ShinyStatsEntity>();
        // Subscribe to the OnLevelChanged event.
        ShinyStatsEntity.OnLevelChanged += ShinyStatsEntity_OnLevelChanged;
    }

    /// <summary>
    /// Callback from ShinyStatsEntity when the Level change.
    /// </summary>
    private void ShinyStatsEntity_OnLevelChanged(object sender, EventArgsInt e)
    {
        MaxValue = ShinyStatsEntity.EvaluateStat("Health Points");
        CurrentValue = MaxValue; // Reset to 100% HP on level up.
    }

    /// <summary>
    /// Handle the damage dealt by another entity.
    /// Negative values are perceived as heal.
    /// </summary>
    /// <param name="value"></param>
    public void ReceiveDamage(double value)
    {
        CurrentValue = CurrentValue - value;

        if (CurrentValue < 0)
        {
            var tag = gameObject.tag;

            Destroy(gameObject);
            if (tag == "Player")
                SceneManager.LoadScene(SceneManager.GetActiveScene().name); // Reset the game on player death.
            else
            {
                // Drop experience to the player on enemy death.
                var player = FindObjectOfType<ShinyTinyRPGManager>().GetPlayerGo();
                var expDrop = (int)ShinyStatsEntity.EvaluateStat("Experience Drop");
                player.GetComponent<ShinyStatsEntity>().AddExp(expDrop);
            }
        }
    }
}

...
private void FixedUpdate()
{
    // Regen of the Health Points over the time.
    if (CurrentValue < MaxValue)
        CurrentValue += Time.deltaTime;
}
...

using ShinyStatsn;
using UnityEngine;
using UnityEngine.UI;

public class CharacterSheetUI : MonoBehaviour
{
    public Text Subtitle; // Set in the Inspector.
    public Text[] AttributesValue; // Set in the Inspector.
    public Text[] StatsValue; // Set in the Inspector.
    public Text SpecialSkill; // Set in the Inspector.

    private ShinyStatsEntity ShinyStatsEntity;

    private void FixedUpdate()
    {
        if (ShinyStatsEntity == null)
        {
            var go = GameObject.FindWithTag("Player");
            if (go != null)
                ShinyStatsEntity = go.GetComponent<ShinyStatsEntity>();
        }

        if (ShinyStatsEntity == null)
            return;

        subtitle.text = ShinyStatsEntity.ClassSelected.label + " Lv. " + ShinyStatsEntity.CurrentLevel;

        AttributesValue[0].text = ShinyStatsEntity.EvaluateAttribute("Stamina").ToString("0.#");
        AttributesValue[1].text = ShinyStatsEntity.EvaluateAttribute("Strength").ToString("0.#");
        AttributesValue[2].text = ShinyStatsEntity.EvaluateAttribute("Intellect").ToString("0.#");
        AttributesValue[3].text = ShinyStatsEntity.EvaluateAttribute("Agility").ToString("0.#");

        StatsValue[0].text = ShinyStatsEntity.EvaluateStat("Health Points").ToString("0.#");
        StatsValue[1].text = ShinyStatsEntity.EvaluateStat("Mana Points").ToString("0.#");
        StatsValue[2].text = ShinyStatsEntity.EvaluateStat("Attack Power").ToString("0.#");
        StatsValue[3].text = ShinyStatsEntity.EvaluateStat("Spell Power").ToString("0.#");
        StatsValue[4].text = ShinyStatsEntity.EvaluateStat("Attack Speed").ToString("0.#");
        StatsValue[5].text = ShinyStatsEntity.EvaluateStat("Walking Speed").ToString("0.#");
    }
}