diff --git a/common/src/main/java/me/lucko/luckperms/common/cacheddata/type/MetaCache.java b/common/src/main/java/me/lucko/luckperms/common/cacheddata/type/MetaCache.java
index 76cae529d..1fe4e11a1 100644
--- a/common/src/main/java/me/lucko/luckperms/common/cacheddata/type/MetaCache.java
+++ b/common/src/main/java/me/lucko/luckperms/common/cacheddata/type/MetaCache.java
@@ -46,6 +46,7 @@ import org.checkerframework.checker.nullness.qual.NonNull;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.SortedMap;
 
 /**
@@ -194,6 +195,7 @@ public class MetaCache implements MetaData {
 
         @Override
         public String get(Object key) {
+            Objects.requireNonNull(key, "key");
             String value = super.get(key);
 
             // log this meta lookup to the verbose handler
@@ -218,12 +220,17 @@ public class MetaCache implements MetaData {
 
         @Override
         public List<String> get(String key) {
+            Objects.requireNonNull(key, "key");
             List<String> values = super.get(key);
 
             // log this meta lookup to the verbose handler
             VerboseHandler verboseHandler = MetaCache.this.metadata.getParentContainer().getPlugin().getVerboseHandler();
-            for (String value : values) {
-                verboseHandler.offerMetaCheckEvent(this.origin, MetaCache.this.metadata.getObjectName(), MetaCache.this.metadata.getContext(), key, String.valueOf(value));
+            if (!values.isEmpty()) {
+                for (String value : values) {
+                    verboseHandler.offerMetaCheckEvent(this.origin, MetaCache.this.metadata.getObjectName(), MetaCache.this.metadata.getContext(), key, String.valueOf(value));
+                }
+            } else {
+                verboseHandler.offerMetaCheckEvent(this.origin, MetaCache.this.metadata.getObjectName(), MetaCache.this.metadata.getContext(), key, "null");
             }
 
             return values;
diff --git a/common/src/main/java/me/lucko/luckperms/common/verbose/VerboseListener.java b/common/src/main/java/me/lucko/luckperms/common/verbose/VerboseListener.java
index d5a8e4ac3..0c06a4b1d 100644
--- a/common/src/main/java/me/lucko/luckperms/common/verbose/VerboseListener.java
+++ b/common/src/main/java/me/lucko/luckperms/common/verbose/VerboseListener.java
@@ -28,6 +28,7 @@ package me.lucko.luckperms.common.verbose;
 import com.google.gson.JsonObject;
 
 import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.common.calculator.result.TristateResult;
 import me.lucko.luckperms.common.command.CommandManager;
 import me.lucko.luckperms.common.command.utils.MessageUtils;
 import me.lucko.luckperms.common.locale.message.Message;
@@ -190,6 +191,14 @@ public class VerboseListener {
             PermissionCheckEvent permissionEvent = (PermissionCheckEvent) event;
             hover.add("&aType: &2permission");
             hover.add("&bOrigin: &2" + permissionEvent.getOrigin().name());
+
+            TristateResult result = permissionEvent.getResult();
+            if (result.processorClass() != null) {
+                hover.add("&bProcessor: &2" + result.processorClass().getName());
+            }
+            if (result.cause() != null) {
+                hover.add("&bCause: &2" + result.cause());
+            }
         }
         if (event instanceof MetaCheckEvent) {
             MetaCheckEvent metaEvent = (MetaCheckEvent) event;