you really gotta calm down, marisa...

Assets/Scripts/Abilities/Upgrades/AbilityUpgrade.cs

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+using UnityEngine;
+
+public class AbilityUpgrade : ScriptableObject
+{
+    [Header("Identification")]
+    public string upgradeName;
+    public Sprite upgradeIcon;
+    public PlayerAbility thisPlayerAbility;
+    [Header("Stats")] 
+    public int count = 1;
+
+    public virtual void ApplyUpgrade()
+    {
+        UpgradeEffects();
+    }
+
+    protected virtual void UpgradeEffects()
+    {
+        
+    }
+
+    public virtual void ApplyRemoval()
+    {
+        
+    }
+}

Assets/Scripts/Abilities/Upgrades/AbilityUpgrade.cs.meta

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+fileFormatVersion: 2
+guid: 1d4bef84914cd439da6e7fa4a07ae966

Assets/Scripts/Abilities/Upgrades/AttackSpeedUpgrade.cs

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+using UnityEngine;
+
+public class AttackSpeedUpgrade : AbilityUpgrade
+{
+    [SerializeField] private float speedUpgradeAmount;
+
+    public override void ApplyUpgrade()
+    {
+        base.ApplyUpgrade();
+        thisPlayerAbility.cooldown *= speedUpgradeAmount;
+    }
+}

Assets/Scripts/Abilities/Upgrades/AttackSpeedUpgrade.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 8cf716a335ed64e9c9c64a9e934acbd8

Assets/Scripts/Abilities/Upgrades/ProjectileCountUpgrade.cs

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+using UnityEngine;
+
+[CreateAssetMenu(fileName = "Projectile Count Upgrade", menuName = "AbilityUpgrades/ProjectileCountUpgrade")]
+public class ProjectileCountUpgrade : AbilityUpgrade
+{
+    protected override void UpgradeEffects()
+    {
+        thisPlayerAbility.projectileCount++; //idk how this will work for the stacking.
+    }
+}

Assets/Scripts/Abilities/Upgrades/ProjectileCountUpgrade.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: abe88be260cd4b175b742754eaee097f

Assets/Scripts/Abilities/Upgrades/UpgradeBoxUI.cs

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+using TMPro;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class UpgradeBoxUI : MonoBehaviour
+{
+    [SerializeField] private TextMeshProUGUI counterUI;
+    public Image upgradeImage;
+    public AbilityUpgrade thisAbilityUpgrade;
+    public void UpdateCounter()
+    {
+        counterUI.text = $"x{thisAbilityUpgrade.count}";
+    }
+}

Assets/Scripts/Abilities/Upgrades/UpgradeBoxUI.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: b89f179fefb96497c879d4a8dd635717

Assets/Scripts/Abilities/Upgrades/UpgradePickup.cs

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+using UnityEngine;
+
+public class UpgradePickup : ItemPickup
+{
+    public AbilityUpgrade upgradeDropped;
+    protected override void PickupEffects()
+    {
+        
+    }
+}

Assets/Scripts/Abilities/Upgrades/UpgradePickup.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 414126e6ddc5f8085af89e294a8deb38