Refactor Book of Unholy, add Singularity Sealing Unit

Content/Items/Materials/ControlledSingularity.cs

@@ -22,6 +22,7 @@ namespace ForgottenWawiTech.Content.Items.Materials
             Recipe recipe = CreateRecipe();
             recipe.AddIngredient(ModContent.ItemType<MiniSingularity>(), 5);
             recipe.AddIngredient(ModContent.ItemType<ContainmentUnit>(), 1);
+            recipe.AddIngredient(ModContent.ItemType<EnergyCore>(), 2);
             recipe.AddTile(TileID.MythrilAnvil);
             recipe.Register();
         }

Content/Items/Materials/EnergyCore.cs

@@ -0,0 +1,21 @@
+using Terraria.ID;
+using Terraria;
+using Terraria.ModLoader;
+using ForgottenWawiTech.Content.Rarities;
+
+namespace ForgottenWawiTech.Content.Items.Materials
+{
+    public class EnergyCore : ModItem
+    {
+
+        public override void SetDefaults()
+        {
+            Item.width = 20;
+            Item.height = 20;
+            Item.maxStack = 9999;
+            Item.rare = ModContent.RarityType<SingularityItem>();
+            Item.value = Item.buyPrice(gold: 50);
+        }
+
+    }
+}