Bunch more moves, changes in how additional information for items works.

Plugins/PkmnLib.Plugin.Gen7/Scripts/Side/MistEffect.cs

@@ -0,0 +1,15 @@
+using PkmnLib.Static;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Side;
+
+[Script(ScriptCategory.Side, "mist")]
+public class MistEffect : Script
+{
+    /// <inheritdoc />
+    public override void PreventStatBoostChange(IPokemon target, Statistic stat, sbyte amount, bool selfInflicted,
+        ref bool prevent)
+    {
+        if (amount < 0)
+            prevent = true;
+    }
+}