diff --git a/common/src/main/java/net/infumia/frame/Frame.java b/common/src/main/java/net/infumia/frame/Frame.java
index b735eaf..45048f8 100644
--- a/common/src/main/java/net/infumia/frame/Frame.java
+++ b/common/src/main/java/net/infumia/frame/Frame.java
@@ -67,6 +67,8 @@ static Frame create(
 
     void register();
 
+    void register(@NotNull Consumer<TypedKeyStorageImmutableBuilder> instanceConfigurer);
+
     void unregister();
 
     @NotNull
diff --git a/common/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManager.java b/common/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManager.java
index 5816c8c..5c55707 100644
--- a/common/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManager.java
+++ b/common/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManager.java
@@ -1,8 +1,10 @@
 package net.infumia.frame.pipeline.context;
 
 import java.util.Collection;
+import java.util.function.Consumer;
 import net.infumia.frame.Frame;
 import net.infumia.frame.pipeline.PipelineContext;
+import net.infumia.frame.typedkey.TypedKeyStorageImmutableBuilder;
 import net.infumia.frame.view.View;
 import org.jetbrains.annotations.NotNull;
 
@@ -18,6 +20,9 @@ interface ViewCreated extends PipelineContextManager {
     interface ViewRegistered extends PipelineContextManager {
         @NotNull
         Collection<Object> registeredViews();
+
+        @NotNull
+        Consumer<TypedKeyStorageImmutableBuilder> instanceConfigurer();
     }
 
     interface ListenerRegistered extends PipelineContextManager {}
diff --git a/common/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManager.java b/common/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManager.java
index 21cae82..5448623 100644
--- a/common/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManager.java
+++ b/common/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManager.java
@@ -2,9 +2,11 @@
 
 import java.util.Collection;
 import java.util.concurrent.CompletableFuture;
+import java.util.function.Consumer;
 import net.infumia.frame.pipeline.context.PipelineContextManager;
 import net.infumia.frame.service.ConsumerService;
 import net.infumia.frame.service.Implementation;
+import net.infumia.frame.typedkey.TypedKeyStorageImmutableBuilder;
 import net.infumia.frame.view.View;
 import org.jetbrains.annotations.NotNull;
 
@@ -16,7 +18,8 @@ CompletableFuture<Collection<Object>> executeViewCreated(
 
     @NotNull
     CompletableFuture<Collection<View>> executeViewRegistered(
-        @NotNull Collection<Object> registeredViews
+        @NotNull Collection<Object> registeredViews,
+        @NotNull Consumer<TypedKeyStorageImmutableBuilder> instanceConfigurer
     );
 
     @NotNull
diff --git a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactory.java b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactory.java
index 206ed10..a718dd5 100644
--- a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactory.java
+++ b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactory.java
@@ -12,9 +12,6 @@ static TypedKeyStorageFactory create() {
     @NotNull
     TypedKeyStorage create(@NotNull Map<TypedKey<?>, Object> base);
 
-    @NotNull
-    TypedKeyStorageImmutableBuilder createImmutableBuilder();
-
     @NotNull
     TypedKeyStorageImmutableBuilder createImmutableBuilder(@NotNull Map<TypedKey<?>, Object> base);
 }
diff --git a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactoryImpl.java b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactoryImpl.java
index 121c24e..2e3a87f 100644
--- a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactoryImpl.java
+++ b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageFactoryImpl.java
@@ -1,6 +1,5 @@
 package net.infumia.frame.typedkey;
 
-import java.util.HashMap;
 import java.util.Map;
 import org.jetbrains.annotations.NotNull;
 
@@ -14,12 +13,6 @@ public TypedKeyStorage create(@NotNull final Map<TypedKey<?>, Object> base) {
         return new TypedKeyStorageImpl(base);
     }
 
-    @NotNull
-    @Override
-    public TypedKeyStorageImmutableBuilder createImmutableBuilder() {
-        return this.createImmutableBuilder(new HashMap<>());
-    }
-
     @NotNull
     @Override
     public TypedKeyStorageImmutableBuilder createImmutableBuilder(
diff --git a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutable.java b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutable.java
index 628bd2c..b58a760 100644
--- a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutable.java
+++ b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutable.java
@@ -38,4 +38,8 @@ public interface TypedKeyStorageImmutable {
     @NotNull
     @UnmodifiableView
     Collection<Map.Entry<TypedKey<?>, Object>> entries();
+
+    @NotNull
+    @UnmodifiableView
+    Map<TypedKey<?>, Object> map();
 }
diff --git a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutableImpl.java b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutableImpl.java
index b239569..dc9a875 100644
--- a/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutableImpl.java
+++ b/common/src/main/java/net/infumia/frame/typedkey/TypedKeyStorageImmutableImpl.java
@@ -6,6 +6,7 @@
 import net.infumia.frame.util.Preconditions;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.UnmodifiableView;
 
 class TypedKeyStorageImmutableImpl implements TypedKeyStorageImmutable {
 
@@ -87,6 +88,13 @@ public Collection<Map.Entry<TypedKey<?>, Object>> entries() {
         return Collections.unmodifiableCollection(this.map.entrySet());
     }
 
+    @NotNull
+    @Override
+    @UnmodifiableView
+    public Map<TypedKey<?>, Object> map() {
+        return Collections.unmodifiableMap(this.map);
+    }
+
     @Override
     public String toString() {
         return "TypedKeyStorageImmutableImpl{" + "map=" + this.map + '}';
diff --git a/core/src/main/java/net/infumia/frame/FrameImpl.java b/core/src/main/java/net/infumia/frame/FrameImpl.java
index 08e1688..44e05bd 100644
--- a/core/src/main/java/net/infumia/frame/FrameImpl.java
+++ b/core/src/main/java/net/infumia/frame/FrameImpl.java
@@ -125,12 +125,19 @@ public void inventoryCreator(@NotNull final InventoryCreator inventoryCreator) {
 
     @Override
     public void register() {
+        this.register(builder -> {});
+    }
+
+    @Override
+    public void register(
+        @NotNull final Consumer<TypedKeyStorageImmutableBuilder> instanceConfigurer
+    ) {
         Preconditions.state(
             !this.registered.get(),
             "This inventory manager is already registered! #register() method cannot be called twice!"
         );
         this.registered.set(true);
-        this.executeViewCreation(this.unregisteredViews)
+        this.executeViewCreation(this.unregisteredViews, instanceConfigurer)
             .thenCompose(views -> {
                 this.registeredViews.clear();
                 this.registeredViews.putAll(
@@ -210,7 +217,7 @@ public Frame with(@NotNull final Class<?> viewClass) {
             return CompletableFuture.completedFuture(null);
         }
         final TypedKeyStorageImmutableBuilder builder =
-            this.storageFactory.createImmutableBuilder();
+            this.storageFactory.createImmutableBuilder(new HashMap<>());
         initialDataConfigurer.accept(builder);
         return CompletableFutureExtensions.logError(
             ((ViewEventHandler) view).simulateOpen(players, builder.build()),
@@ -278,10 +285,11 @@ private void intoUnregisteredViews(@NotNull final Class<?> viewClass) {
 
     @NotNull
     private CompletableFuture<Collection<View>> executeViewCreation(
-        @NotNull final Collection<Class<?>> views
+        @NotNull final Collection<Class<?>> views,
+        @NotNull final Consumer<TypedKeyStorageImmutableBuilder> instanceConfigurer
     ) {
-        return this.pipelines.executeViewCreated(views).thenCompose(
-                this.pipelines::executeViewRegistered
+        return this.pipelines.executeViewCreated(views).thenCompose(instances ->
+                this.pipelines.executeViewRegistered(instances, instanceConfigurer)
             );
     }
 
diff --git a/core/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManagers.java b/core/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManagers.java
index 5438c77..0985381 100644
--- a/core/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManagers.java
+++ b/core/src/main/java/net/infumia/frame/pipeline/context/PipelineContextManagers.java
@@ -1,7 +1,9 @@
 package net.infumia.frame.pipeline.context;
 
 import java.util.Collection;
+import java.util.function.Consumer;
 import net.infumia.frame.Frame;
+import net.infumia.frame.typedkey.TypedKeyStorageImmutableBuilder;
 import net.infumia.frame.view.View;
 import org.jetbrains.annotations.NotNull;
 
@@ -36,13 +38,16 @@ final class ViewRegistered implements PipelineContextManager.ViewRegistered {
 
         private final Frame manager;
         private final Collection<Object> registeredViews;
+        private final Consumer<TypedKeyStorageImmutableBuilder> storageConfigurer;
 
         public ViewRegistered(
             @NotNull final Frame manager,
-            @NotNull final Collection<Object> registeredViews
+            @NotNull final Collection<Object> registeredViews,
+            @NotNull final Consumer<TypedKeyStorageImmutableBuilder> storageConfigurer
         ) {
             this.manager = manager;
             this.registeredViews = registeredViews;
+            this.storageConfigurer = storageConfigurer;
         }
 
         @NotNull
@@ -56,6 +61,12 @@ public Frame frame() {
         public Collection<Object> registeredViews() {
             return this.registeredViews;
         }
+
+        @NotNull
+        @Override
+        public Consumer<TypedKeyStorageImmutableBuilder> instanceConfigurer() {
+            return this.storageConfigurer;
+        }
     }
 
     final class ListenerRegistered implements PipelineContextManager.ListenerRegistered {
diff --git a/core/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManagerImpl.java b/core/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManagerImpl.java
index 6d9fcf9..f859e01 100644
--- a/core/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManagerImpl.java
+++ b/core/src/main/java/net/infumia/frame/pipeline/executor/PipelineExecutorManagerImpl.java
@@ -3,12 +3,14 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.concurrent.CompletableFuture;
+import java.util.function.Consumer;
 import net.infumia.frame.Frame;
 import net.infumia.frame.pipeline.context.PipelineContextManager;
 import net.infumia.frame.pipeline.context.PipelineContextManagers;
 import net.infumia.frame.pipeline.holder.PipelineHolderManager;
 import net.infumia.frame.service.ConsumerService;
 import net.infumia.frame.service.Implementation;
+import net.infumia.frame.typedkey.TypedKeyStorageImmutableBuilder;
 import net.infumia.frame.view.View;
 import org.jetbrains.annotations.NotNull;
 
@@ -38,13 +40,15 @@ public CompletableFuture<Collection<Object>> executeViewCreated(
     @NotNull
     @Override
     public CompletableFuture<Collection<View>> executeViewRegistered(
-        @NotNull final Collection<Object> registeredViews
+        @NotNull final Collection<Object> registeredViews,
+        @NotNull final Consumer<TypedKeyStorageImmutableBuilder> instanceConfigurer
     ) {
         return this.pipelines.viewRegistered()
             .completeWith(
                 new PipelineContextManagers.ViewRegistered(
                     this.manager,
-                    Collections.unmodifiableCollection(registeredViews)
+                    Collections.unmodifiableCollection(registeredViews),
+                    instanceConfigurer
                 )
             );
     }
diff --git a/core/src/main/java/net/infumia/frame/pipeline/service/manager/ServiceViewRegistered.java b/core/src/main/java/net/infumia/frame/pipeline/service/manager/ServiceViewRegistered.java
index 604428a..6ae8a08 100644
--- a/core/src/main/java/net/infumia/frame/pipeline/service/manager/ServiceViewRegistered.java
+++ b/core/src/main/java/net/infumia/frame/pipeline/service/manager/ServiceViewRegistered.java
@@ -2,8 +2,8 @@
 
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.HashMap;
 import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 import net.infumia.frame.Frame;
 import net.infumia.frame.config.ViewConfigBuilderRich;
@@ -12,6 +12,8 @@
 import net.infumia.frame.pipeline.PipelineService;
 import net.infumia.frame.pipeline.context.PipelineContextManager;
 import net.infumia.frame.state.StateRegistry;
+import net.infumia.frame.typedkey.TypedKeyStorage;
+import net.infumia.frame.typedkey.TypedKeyStorageImmutableBuilder;
 import net.infumia.frame.view.View;
 import net.infumia.frame.view.ViewEventHandler;
 import net.infumia.frame.view.ViewImpl;
@@ -43,13 +45,16 @@ public CompletableFuture<Collection<View>> handle(
             .registeredViews()
             .stream()
             .map(instance -> {
+                final TypedKeyStorageImmutableBuilder builder = frame
+                    .storageFactory()
+                    .createImmutableBuilder(new HashMap<>());
+                ctx.instanceConfigurer().accept(builder);
+                final TypedKeyStorage instances = frame
+                    .storageFactory()
+                    .create(builder.build().map());
                 final View view = new ViewImpl(
                     new ContextInitImpl(
-                        new ContextImpl(
-                            frame,
-                            frame.storageFactory().create(new ConcurrentHashMap<>()),
-                            new StateRegistry(frame.logger())
-                        ),
+                        new ContextImpl(frame, instances, new StateRegistry(frame.logger())),
                         ViewConfigBuilderRich.create()
                     ),
                     instance