Ignore blank inscription tools

src/main/java/WayofTime/bloodmagic/item/ItemInscriptionTool.java

@@ -42,6 +42,9 @@ public class ItemInscriptionTool extends ItemEnum.Variant<EnumRuneType> implemen
             return;
 
         for (EnumRuneType runeType : types) {
+            if (runeType == EnumRuneType.BLANK)
+                continue;
+
             ItemStack stack = new ItemStack(this, 1, runeType.ordinal());
             NBTTagCompound tag = new NBTTagCompound();
             tag.setInteger(Constants.NBT.USES, 10);

src/main/resources/assets/bloodmagic/blockstates/inscription_tool.json

@@ -6,6 +6,7 @@
   },
   "variants": {
     "type": {
+      "blank": { },
       "water": {
         "textures": {
           "layer0": "bloodmagic:items/WaterScribeTool"