diff --git a/eco-api/src/main/java/com/willfp/eco/core/config/BaseConfig.java b/eco-api/src/main/java/com/willfp/eco/core/config/BaseConfig.java
index 1b961ab5..1951f536 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/config/BaseConfig.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/config/BaseConfig.java
@@ -23,13 +23,31 @@ public abstract class BaseConfig extends LoadableConfigWrapper {
                          @NotNull final PluginLike plugin,
                          final boolean removeUnused,
                          @NotNull final ConfigType type) {
+        this(configName, plugin, removeUnused, type, true);
+    }
+
+    /**
+     * Create new Base Config.
+     *
+     * @param plugin               The plugin or extension.
+     * @param configName           The config name (excluding extension).
+     * @param removeUnused         If unused sections should be removed.
+     * @param type                 The config type.
+     * @param requiresChangeToSave If changes must be applied to save the config.
+     */
+    protected BaseConfig(@NotNull final String configName,
+                         @NotNull final PluginLike plugin,
+                         final boolean removeUnused,
+                         @NotNull final ConfigType type,
+                         final boolean requiresChangeToSave) {
         super(Eco.getHandler().getConfigFactory().createUpdatableConfig(
                 configName,
                 plugin,
                 "",
                 plugin.getClass(),
                 removeUnused,
-                type
+                type,
+                requiresChangeToSave
         ));
     }
 }
diff --git a/eco-api/src/main/java/com/willfp/eco/core/config/interfaces/Config.java b/eco-api/src/main/java/com/willfp/eco/core/config/interfaces/Config.java
index 00666a93..c9515dc8 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/config/interfaces/Config.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/config/interfaces/Config.java
@@ -30,8 +30,13 @@ import java.util.Set;
 public interface Config extends Cloneable, PlaceholderInjectable {
     /**
      * Clears cache.
+     * <p>
+     * Configs no longer have caches as they have in previous versions.
      */
-    void clearCache();
+    @Deprecated(since = "6.31.1", forRemoval = true)
+    default void clearCache() {
+        // Do nothing.
+    }
 
     /**
      * Convert the config into readable text.
diff --git a/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigFactory.java b/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigFactory.java
index 033e7e32..7fc4a68a 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigFactory.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigFactory.java
@@ -20,13 +20,14 @@ public interface ConfigFactory {
     /**
      * Updatable config.
      *
-     * @param configName       The name of the config
-     * @param plugin           The plugin.
-     * @param subDirectoryPath The subdirectory path.
-     * @param source           The class that owns the resource.
-     * @param removeUnused     Whether keys not present in the default config should be removed on update.
-     * @param type             The config type.
-     * @param updateBlacklist  Substring of keys to not add/remove keys for.
+     * @param configName            The name of the config
+     * @param plugin                The plugin.
+     * @param subDirectoryPath      The subdirectory path.
+     * @param source                The class that owns the resource.
+     * @param removeUnused          Whether keys not present in the default config should be removed on update.
+     * @param type                  The config type.
+     * @param updateBlacklist       Substring of keys to not add/remove keys for.
+     * @param requiresChangesToSave If the config must be changed in order to save the config.
      * @return The config implementation.
      */
     LoadableConfig createUpdatableConfig(@NotNull String configName,
@@ -35,23 +36,26 @@ public interface ConfigFactory {
                                          @NotNull Class<?> source,
                                          boolean removeUnused,
                                          @NotNull ConfigType type,
+                                         boolean requiresChangesToSave,
                                          @NotNull String... updateBlacklist);
 
     /**
      * Loadable config.
      *
-     * @param configName       The name of the config
-     * @param plugin           The plugin.
-     * @param subDirectoryPath The subdirectory path.
-     * @param source           The class that owns the resource.
-     * @param type             The config type.
+     * @param configName            The name of the config
+     * @param plugin                The plugin.
+     * @param subDirectoryPath      The subdirectory path.
+     * @param source                The class that owns the resource.
+     * @param type                  The config type.
+     * @param requiresChangesToSave If the config must be changed in order to save the config.
      * @return The config implementation.
      */
     LoadableConfig createLoadableConfig(@NotNull String configName,
                                         @NotNull PluginLike plugin,
                                         @NotNull String subDirectoryPath,
                                         @NotNull Class<?> source,
-                                        @NotNull ConfigType type);
+                                        @NotNull ConfigType type,
+                                        boolean requiresChangesToSave);
 
     /**
      * Create config.
diff --git a/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigWrapper.java b/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigWrapper.java
index 669b1135..77ec4ebd 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigWrapper.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/config/wrapper/ConfigWrapper.java
@@ -19,7 +19,7 @@ import java.util.Set;
  *
  * @param <T> The type of the handle.
  */
-@SuppressWarnings("MethodDoesntCallSuperMethod")
+@SuppressWarnings({"MethodDoesntCallSuperMethod", "removal"})
 public abstract class ConfigWrapper<T extends Config> implements Config {
     /**
      * Configs from eco have an internal implementation,
@@ -43,6 +43,7 @@ public abstract class ConfigWrapper<T extends Config> implements Config {
     }
 
     @Override
+    @Deprecated(since = "6.31.1", forRemoval = true)
     public void clearCache() {
         handle.clearCache();
     }
diff --git a/eco-api/src/main/java/com/willfp/eco/core/items/builder/AbstractItemStackBuilder.java b/eco-api/src/main/java/com/willfp/eco/core/items/builder/AbstractItemStackBuilder.java
index 17fa4496..c55d7a88 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/items/builder/AbstractItemStackBuilder.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/items/builder/AbstractItemStackBuilder.java
@@ -59,6 +59,10 @@ public abstract class AbstractItemStackBuilder<T extends ItemMeta, U extends Abs
      * @param base The ItemStack to start with.
      */
     protected AbstractItemStackBuilder(@NotNull final ItemStack base) {
+        if (base.getType() == Material.AIR) {
+            base.setType(Material.STONE); // Prevents NPEs.
+        }
+
         this.base = base;
         this.meta = (T) base.getItemMeta();
         assert meta != null;
diff --git a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt
index ba3f5c36..b443a865 100644
--- a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt
+++ b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt
@@ -21,10 +21,6 @@ open class EcoConfig(
         this.values.putAll(values.normalizeToConfig(this.type))
     }
 
-    override fun clearCache() {
-        // No cache
-    }
-
     override fun toPlaintext(): String {
         return configType.toString(this.values)
     }
@@ -80,7 +76,6 @@ open class EcoConfig(
         path: String,
         obj: Any?
     ) {
-        this.clearCache()
         val nearestPath = path.split(".")[0]
 
         if (path.contains(".")) {
@@ -90,14 +85,10 @@ open class EcoConfig(
                 return
             }
 
-            val section = get(nearestPath)
-            if (section == null) {
-                values[nearestPath] = EcoConfigSection(this.type)
-                return set(path, obj)
-            } else if (section is Config) {
-                section.set(remainingPath, obj)
-                return
-            }
+            val section = getSubsection(nearestPath) // Creates a section if null, therefore it can be set.
+            section.set(remainingPath, obj)
+            values[nearestPath] = section // Set the value
+            return
         }
 
         if (obj == null) {
@@ -108,7 +99,7 @@ open class EcoConfig(
     }
 
     override fun getSubsection(path: String): Config {
-        return getSubsectionOrNull(path) ?: EcoConfigSection(type, mutableMapOf(), injections)
+        return getSubsectionOrNull(path) ?: EcoConfigSection(type, injections = injections)
     }
 
     override fun getSubsectionOrNull(path: String): Config? {
@@ -168,7 +159,6 @@ open class EcoConfig(
     override fun injectPlaceholders(placeholders: Iterable<StaticPlaceholder>) {
         injections.removeIf { placeholders.any { placeholder -> it.identifier == placeholder.identifier } }
         injections.addAll(placeholders)
-        this.clearCache()
     }
 
     override fun getInjectedPlaceholders(): List<StaticPlaceholder> {
@@ -177,7 +167,6 @@ open class EcoConfig(
 
     override fun clearInjectedPlaceholders() {
         injections.clear()
-        this.clearCache()
     }
 
     override fun toMap(): MutableMap<String, Any?> {
diff --git a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfigFactory.kt b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfigFactory.kt
index 1c73f1e2..aeb16f4d 100644
--- a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfigFactory.kt
+++ b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfigFactory.kt
@@ -28,13 +28,15 @@ object EcoConfigFactory : ConfigFactory {
         plugin: PluginLike,
         subDirectoryPath: String,
         source: Class<*>,
-        type: ConfigType
+        type: ConfigType,
+        requiresChangesToSave: Boolean
     ): LoadableConfig = EcoLoadableConfig(
         type,
         configName,
         plugin,
         subDirectoryPath,
-        source
+        source,
+        requiresChangesToSave
     )
 
     override fun createUpdatableConfig(
@@ -44,6 +46,7 @@ object EcoConfigFactory : ConfigFactory {
         source: Class<*>,
         removeUnused: Boolean,
         type: ConfigType,
+        requiresChangesToSave: Boolean,
         vararg updateBlacklist: String
     ): LoadableConfig = EcoUpdatableConfig(
         type,
@@ -52,6 +55,7 @@ object EcoConfigFactory : ConfigFactory {
         subDirectoryPath,
         source,
         removeUnused,
+        requiresChangesToSave,
         *updateBlacklist
     )
 }
diff --git a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoLoadableConfig.kt b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoLoadableConfig.kt
index 64609659..f3de9114 100644
--- a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoLoadableConfig.kt
+++ b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoLoadableConfig.kt
@@ -19,7 +19,8 @@ open class EcoLoadableConfig(
     configName: String,
     private val plugin: PluginLike,
     private val subDirectoryPath: String,
-    val source: Class<*>
+    val source: Class<*>,
+    private val requiresChangesToSave: Boolean
 ) : EcoConfig(type), LoadableConfig {
     private val configFile: File
     private val name: String = "$configName.${type.extension}"
@@ -57,8 +58,10 @@ open class EcoLoadableConfig(
 
     @Throws(IOException::class)
     override fun save() {
-        if (!hasChanged) { // In order to preserve comments
-            return
+        if (requiresChangesToSave) {
+            if (!hasChanged) { // In order to preserve comments
+                return
+            }
         }
 
         if (configFile.delete()) {
diff --git a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoUpdatableConfig.kt b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoUpdatableConfig.kt
index 9ada9777..27b5475b 100644
--- a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoUpdatableConfig.kt
+++ b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoUpdatableConfig.kt
@@ -14,12 +14,12 @@ open class EcoUpdatableConfig(
     subDirectoryPath: String,
     source: Class<*>,
     private val removeUnused: Boolean,
+    requiresChangesToSave: Boolean,
     vararg updateBlacklist: String
-) : EcoLoadableConfig(type, configName, plugin, subDirectoryPath, source) {
+) : EcoLoadableConfig(type, configName, plugin, subDirectoryPath, source, requiresChangesToSave) {
     private val updateBlacklist = mutableListOf(*updateBlacklist)
 
     fun update() {
-        super.clearCache()
         this.init(configFile)
         val newConfig = configInJar ?: return
         if (newConfig.getKeys(true) == this.getKeys(true)) {
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/data/DataYml.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/data/DataYml.kt
index 89c57f56..1347b66c 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/data/DataYml.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/data/DataYml.kt
@@ -10,5 +10,6 @@ class DataYml(
     "data",
     plugin,
     false,
-    ConfigType.YAML
+    ConfigType.YAML,
+    false
 )