diff --git a/Content/ZMMO/Data/UI/DT_UI_Styles.uasset b/Content/ZMMO/Data/UI/DT_UI_Styles.uasset
index 2406533..2a65db1 100644
Binary files a/Content/ZMMO/Data/UI/DT_UI_Styles.uasset and b/Content/ZMMO/Data/UI/DT_UI_Styles.uasset differ
diff --git a/Content/ZMMO/UI/HUD/WBP_StatusWindow.uasset b/Content/ZMMO/UI/HUD/WBP_StatusWindow.uasset
index 0311ba8..53f54bc 100644
Binary files a/Content/ZMMO/UI/HUD/WBP_StatusWindow.uasset and b/Content/ZMMO/UI/HUD/WBP_StatusWindow.uasset differ
diff --git a/Source/ZMMO/Data/UI/InGameTypes.h b/Source/ZMMO/Data/UI/InGameTypes.h
index d5bc63c..a48125b 100644
--- a/Source/ZMMO/Data/UI/InGameTypes.h
+++ b/Source/ZMMO/Data/UI/InGameTypes.h
@@ -27,6 +27,7 @@ enum class EZMMOInGameUIState : uint8
 	None,           ///< Antes do player local spawnar; UI in-game inativa.
 	Playing,        ///< HUD principal visivel (HP/SP/level/etc).
 	StatusWindow,   ///< Janela de atributos + botões de alocacao (Fase 4).
+	JobChangePanel, ///< Painel de promocao de classe (Jobs.1). Toggle tecla J.
 	Inventory,      ///< (futuro) Bag/equipamentos.
 	SkillTree,      ///< (futuro) Arvore de skills.
 	EscapeMenu,     ///< (futuro) Pausa, settings, logout.
diff --git a/Source/ZMMO/Game/Controller/ZMMOPlayerController.cpp b/Source/ZMMO/Game/Controller/ZMMOPlayerController.cpp
index 801f186..0433b8a 100644
--- a/Source/ZMMO/Game/Controller/ZMMOPlayerController.cpp
+++ b/Source/ZMMO/Game/Controller/ZMMOPlayerController.cpp
@@ -104,6 +104,14 @@ void AZMMOPlayerController::SetupInputComponent()
 			this, &AZMMOPlayerController::ToggleStatusWindow);
 		Binding.bConsumeInput = true;
 		Binding.bExecuteWhenPaused = true;  // dispara mesmo com StatusWindow aberto (CommonUI menu mode)
+
+		// Hotkey J -> toggle JobChangePanel (Jobs.1).
+		FInputKeyBinding& JobBinding = InputComponent->BindKey(
+			FInputChord(EKeys::J, /*bShift*/ false, /*bCtrl*/ false, /*bAlt*/ false, /*bCmd*/ false),
+			IE_Pressed,
+			this, &AZMMOPlayerController::ToggleJobChangePanel);
+		JobBinding.bConsumeInput = true;
+		JobBinding.bExecuteWhenPaused = true;
 	}
 }
 
@@ -118,6 +126,17 @@ void AZMMOPlayerController::ToggleStatusWindow()
 	}
 }
 
+void AZMMOPlayerController::ToggleJobChangePanel()
+{
+	if (UGameInstance* GI = GetGameInstance())
+	{
+		if (UUIInGameFlowSubsystem* Flow = GI->GetSubsystem<UUIInGameFlowSubsystem>())
+		{
+			Flow->ToggleScreen(EZMMOInGameUIState::JobChangePanel);
+		}
+	}
+}
+
 bool AZMMOPlayerController::ShouldUseTouchControls() const
 {
 	return SVirtualJoystick::ShouldDisplayTouchInterface() || bForceTouchControls;
diff --git a/Source/ZMMO/Game/Controller/ZMMOPlayerController.h b/Source/ZMMO/Game/Controller/ZMMOPlayerController.h
index 1f2c057..689db8d 100644
--- a/Source/ZMMO/Game/Controller/ZMMOPlayerController.h
+++ b/Source/ZMMO/Game/Controller/ZMMOPlayerController.h
@@ -50,4 +50,7 @@ protected:
 
 	/** Hotkey Alt+A → toggle StatusWindow via UUIInGameFlowSubsystem. */
 	void ToggleStatusWindow();
+
+	/** Hotkey J → toggle JobChangePanel (Jobs.1 — promocao de classe). */
+	void ToggleJobChangePanel();
 };
diff --git a/Source/ZMMOJobs/Private/ZMMOJobChangeNetworkHandler.cpp b/Source/ZMMOJobs/Private/ZMMOJobChangeNetworkHandler.cpp
new file mode 100644
index 0000000..ab3a458
--- /dev/null
+++ b/Source/ZMMOJobs/Private/ZMMOJobChangeNetworkHandler.cpp
@@ -0,0 +1,67 @@
+#include "ZMMOJobChangeNetworkHandler.h"
+
+#include "Engine/GameInstance.h"
+#include "Engine/World.h"
+#include "ZeusNetworkSubsystem.h"
+
+DEFINE_LOG_CATEGORY_STATIC(LogZMMOJobChange, Log, All);
+
+bool UZMMOJobChangeNetworkHandler::ShouldCreateSubsystem(UObject* Outer) const
+{
+	// Mesmo criterio do AttributeNetworkHandler — so' em mundos de gameplay
+	// (PIE / standalone in-game). Editor preview / front-end menu nao precisa.
+	const UWorld* World = Cast<UWorld>(Outer);
+	if (World == nullptr) { return false; }
+	return World->WorldType == EWorldType::Game
+		|| World->WorldType == EWorldType::PIE;
+}
+
+void UZMMOJobChangeNetworkHandler::Initialize(FSubsystemCollectionBase& Collection)
+{
+	Super::Initialize(Collection);
+
+	if (UZeusNetworkSubsystem* Net = GetZeusNetSubsystem())
+	{
+		JobChangeResultHandle = Net->OnJobChangeResult.AddUObject(
+			this, &UZMMOJobChangeNetworkHandler::HandleJobChangeResult);
+		UE_LOG(LogZMMOJobChange, Log,
+			TEXT("[ZMMOJobChangeNetworkHandler] Bind OnJobChangeResult OK"));
+	}
+	else
+	{
+		UE_LOG(LogZMMOJobChange, Warning,
+			TEXT("[ZMMOJobChangeNetworkHandler] ZeusNetworkSubsystem indisponivel — bind pulado"));
+	}
+}
+
+void UZMMOJobChangeNetworkHandler::Deinitialize()
+{
+	if (UZeusNetworkSubsystem* Net = GetZeusNetSubsystem())
+	{
+		if (JobChangeResultHandle.IsValid())
+		{
+			Net->OnJobChangeResult.Remove(JobChangeResultHandle);
+			JobChangeResultHandle.Reset();
+		}
+	}
+	OnJobChangeResult.Clear();
+	Super::Deinitialize();
+}
+
+void UZMMOJobChangeNetworkHandler::HandleJobChangeResult(
+	bool bAccepted, int32 Reason, int32 NewClassId)
+{
+	UE_LOG(LogZMMOJobChange, Log,
+		TEXT("[ZMMOJobChangeNetworkHandler] S_JOB_CHANGE_RESULT accepted=%d reason=%d newClassId=%d"),
+		bAccepted ? 1 : 0, Reason, NewClassId);
+	OnJobChangeResult.Broadcast(bAccepted, Reason, NewClassId);
+}
+
+UZeusNetworkSubsystem* UZMMOJobChangeNetworkHandler::GetZeusNetSubsystem() const
+{
+	const UWorld* World = GetWorld();
+	if (World == nullptr) { return nullptr; }
+	UGameInstance* GI = World->GetGameInstance();
+	if (GI == nullptr) { return nullptr; }
+	return GI->GetSubsystem<UZeusNetworkSubsystem>();
+}
diff --git a/Source/ZMMOJobs/Private/ZMMOJobsLibrary.cpp b/Source/ZMMOJobs/Private/ZMMOJobsLibrary.cpp
index 0f4b861..82c67d5 100644
--- a/Source/ZMMOJobs/Private/ZMMOJobsLibrary.cpp
+++ b/Source/ZMMOJobs/Private/ZMMOJobsLibrary.cpp
@@ -4,6 +4,7 @@
 #include "Engine/World.h"
 #include "ZMMOJobDataAsset.h"
 #include "ZMMOJobsSubsystem.h"
+#include "ZeusNetworkSubsystem.h"
 
 namespace
 {
@@ -52,3 +53,37 @@ bool UZMMOJobsLibrary::IsJobRegistered(const UObject* WorldContextObject, int32
 	}
 	return false;
 }
+
+TArray<UZMMOJobDataAsset*> UZMMOJobsLibrary::GetJobsByTier(
+	const UObject* WorldContextObject, EZMMOJobTier Tier)
+{
+	if (UZMMOJobsSubsystem* Sub = ResolveSubsystem(WorldContextObject))
+	{
+		return Sub->GetJobsByTier(Tier);
+	}
+	return {};
+}
+
+TArray<UZMMOJobDataAsset*> UZMMOJobsLibrary::GetEligibleNextJobs(
+	const UObject* WorldContextObject, int32 CurrentClassId)
+{
+	if (UZMMOJobsSubsystem* Sub = ResolveSubsystem(WorldContextObject))
+	{
+		return Sub->GetEligibleNextJobs(CurrentClassId);
+	}
+	return {};
+}
+
+void UZMMOJobsLibrary::SendJobChangeRequest(
+	const UObject* WorldContextObject, int32 TargetClassId)
+{
+	if (WorldContextObject == nullptr) { return; }
+	const UWorld* World = WorldContextObject->GetWorld();
+	if (World == nullptr) { return; }
+	UGameInstance* GI = World->GetGameInstance();
+	if (GI == nullptr) { return; }
+	if (UZeusNetworkSubsystem* Net = GI->GetSubsystem<UZeusNetworkSubsystem>())
+	{
+		Net->SendJobChangeRequest(TargetClassId);
+	}
+}
diff --git a/Source/ZMMOJobs/Private/ZMMOJobsSubsystem.cpp b/Source/ZMMOJobs/Private/ZMMOJobsSubsystem.cpp
index bcdac0a..e2e782b 100644
--- a/Source/ZMMOJobs/Private/ZMMOJobsSubsystem.cpp
+++ b/Source/ZMMOJobs/Private/ZMMOJobsSubsystem.cpp
@@ -65,3 +65,32 @@ UZMMOJobDataAsset* UZMMOJobsSubsystem::GetJobData(int32 ClassId) const
 	}
 	return nullptr;
 }
+
+TArray<UZMMOJobDataAsset*> UZMMOJobsSubsystem::GetJobsByTier(EZMMOJobTier Tier) const
+{
+	TArray<UZMMOJobDataAsset*> Out;
+	Out.Reserve(CachedJobs.Num());
+	for (const TPair<int32, TObjectPtr<UZMMOJobDataAsset>>& Pair : CachedJobs)
+	{
+		if (Pair.Value && Pair.Value->Tier == Tier)
+		{
+			Out.Add(Pair.Value.Get());
+		}
+	}
+	return Out;
+}
+
+TArray<UZMMOJobDataAsset*> UZMMOJobsSubsystem::GetEligibleNextJobs(int32 CurrentClassId) const
+{
+	TArray<UZMMOJobDataAsset*> Out;
+	Out.Reserve(4);  // tipico: 2-6 destinos
+	for (const TPair<int32, TObjectPtr<UZMMOJobDataAsset>>& Pair : CachedJobs)
+	{
+		if (Pair.Value && Pair.Value->ParentClassId == CurrentClassId
+		    && Pair.Value->ClassId != CurrentClassId)
+		{
+			Out.Add(Pair.Value.Get());
+		}
+	}
+	return Out;
+}
diff --git a/Source/ZMMOJobs/Public/ZMMOJobChangeNetworkHandler.h b/Source/ZMMOJobs/Public/ZMMOJobChangeNetworkHandler.h
new file mode 100644
index 0000000..b2b9ea0
--- /dev/null
+++ b/Source/ZMMOJobs/Public/ZMMOJobChangeNetworkHandler.h
@@ -0,0 +1,54 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Subsystems/WorldSubsystem.h"
+#include "ZMMOJobChangeNetworkHandler.generated.h"
+
+class UZeusNetworkSubsystem;
+
+/**
+ *  Multicast dinamico assignable em Blueprint. WBP de promocao binda no
+ *  OnJobChangeResult pra reagir ao S_JOB_CHANGE_RESULT (1520) do server.
+ *
+ *  Parametros:
+ *   - bAccepted    : true = promocao aplicada (S_ATTRIBUTE_SNAPSHOT_FULL
+ *                    chega logo apos com state novo).
+ *   - Reason       : EJobChangeRejectReason (None/NoSession/UnknownJob/
+ *                    NotParent/WrongTier/JobLevelTooLow/AlreadyAtTarget/
+ *                    JobsDbUnavailable). Significativo apenas se !bAccepted.
+ *   - NewClassId   : significativo apenas se bAccepted=true (redundante com
+ *                    snapshot que vem junto, mas util pra triggers/toasts).
+ */
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_ThreeParams(FZMMOOnJobChangeResultBP,
+	bool, bAccepted, int32, Reason, int32, NewClassId);
+
+/**
+ *  Bridge entre o `UZeusNetworkSubsystem` (do plugin ZeusNetwork) e a UI
+ *  Blueprint (WBP de promocao). Mesmo pattern do `UZMMOAttributeNetworkHandler`
+ *  — converte o delegate C++-only `FZeusOnJobChangeResult` num dynamic
+ *  multicast (`FZMMOOnJobChangeResultBP`) assignavel em BP.
+ *
+ *  Por que UWorldSubsystem? Player so' faz promocao quando ja' esta no
+ *  WorldServer (com mundo carregado). No front-end / lobby, esse subsystem
+ *  nao existe — economiza memoria.
+ */
+UCLASS()
+class ZMMOJOBS_API UZMMOJobChangeNetworkHandler : public UWorldSubsystem
+{
+	GENERATED_BODY()
+
+public:
+	virtual void Initialize(FSubsystemCollectionBase& Collection) override;
+	virtual void Deinitialize() override;
+	virtual bool ShouldCreateSubsystem(UObject* Outer) const override;
+
+	/// Assignavel em BP: WBP_JobChangePanel.OnEvent_OnJobChangeResult.
+	UPROPERTY(BlueprintAssignable, Category = "Zeus|Jobs")
+	FZMMOOnJobChangeResultBP OnJobChangeResult;
+
+private:
+	void HandleJobChangeResult(bool bAccepted, int32 Reason, int32 NewClassId);
+	UZeusNetworkSubsystem* GetZeusNetSubsystem() const;
+
+	FDelegateHandle JobChangeResultHandle;
+};
diff --git a/Source/ZMMOJobs/Public/ZMMOJobsLibrary.h b/Source/ZMMOJobs/Public/ZMMOJobsLibrary.h
index 825b348..03cf59d 100644
--- a/Source/ZMMOJobs/Public/ZMMOJobsLibrary.h
+++ b/Source/ZMMOJobs/Public/ZMMOJobsLibrary.h
@@ -2,6 +2,7 @@
 
 #include "CoreMinimal.h"
 #include "Kismet/BlueprintFunctionLibrary.h"
+#include "ZMMOJobTypes.h"
 #include "ZMMOJobsLibrary.generated.h"
 
 class UZMMOJobDataAsset;
@@ -36,4 +37,26 @@ public:
 	UFUNCTION(BlueprintPure, Category = "Zeus|Jobs",
 		meta = (WorldContext = "WorldContextObject"))
 	static bool IsJobRegistered(const UObject* WorldContextObject, int32 ClassId);
+
+	/// Lista jobs num tier (UI dropdown). Vazio se subsystem indisponivel.
+	UFUNCTION(BlueprintPure, Category = "Zeus|Jobs",
+		meta = (WorldContext = "WorldContextObject"))
+	static TArray<UZMMOJobDataAsset*> GetJobsByTier(
+		const UObject* WorldContextObject, EZMMOJobTier Tier);
+
+	/// Destinos de promocao a partir do char atual. WBP de promocao consome
+	/// direto. Vazio se nao houver filhos (ex: char ja' esta em Tier 3
+	/// Mastery — Jobs.4 introduzira terminal de progressao).
+	UFUNCTION(BlueprintPure, Category = "Zeus|Jobs",
+		meta = (WorldContext = "WorldContextObject"))
+	static TArray<UZMMOJobDataAsset*> GetEligibleNextJobs(
+		const UObject* WorldContextObject, int32 CurrentClassId);
+
+	/// Helper de send via ZeusNetworkSubsystem. Conveniencia pra WBP nao
+	/// precisar pegar o subsystem manualmente. Idempotente: rejeitado
+	/// silenciosamente se nao conectado.
+	UFUNCTION(BlueprintCallable, Category = "Zeus|Jobs",
+		meta = (WorldContext = "WorldContextObject"))
+	static void SendJobChangeRequest(
+		const UObject* WorldContextObject, int32 TargetClassId);
 };
diff --git a/Source/ZMMOJobs/Public/ZMMOJobsSubsystem.h b/Source/ZMMOJobs/Public/ZMMOJobsSubsystem.h
index 7f8a103..c1c0ee6 100644
--- a/Source/ZMMOJobs/Public/ZMMOJobsSubsystem.h
+++ b/Source/ZMMOJobs/Public/ZMMOJobsSubsystem.h
@@ -2,6 +2,7 @@
 
 #include "CoreMinimal.h"
 #include "Subsystems/GameInstanceSubsystem.h"
+#include "ZMMOJobTypes.h"
 #include "ZMMOJobsSubsystem.generated.h"
 
 class UZMMOJobDataAsset;
@@ -41,6 +42,22 @@ public:
 	UFUNCTION(BlueprintPure, Category = "Zeus|Jobs")
 	int32 GetJobCount() const { return CachedJobs.Num(); }
 
+	/// Lista jobs num tier especifico (UI agrupa por tier — ex: dropdown
+	/// "Vocacoes possiveis"). Ordem do retorno e' a do AssetRegistry scan
+	/// — UI pode reordenar por ClassId/DisplayName se precisar.
+	UFUNCTION(BlueprintPure, Category = "Zeus|Jobs")
+	TArray<UZMMOJobDataAsset*> GetJobsByTier(EZMMOJobTier Tier) const;
+
+	/// Destinos de promocao validos a partir do `CurrentClassId`. Filtra
+	/// pelos jobs que tem `ParentClassId == CurrentClassId`. WBP de
+	/// promocao consome direto pra montar botoes "Tornar-se X".
+	///
+	/// NOTA: condicao de elegibilidade real (jobLevel >= cap, quest, item)
+	/// e' do server — UI apenas LISTA opcoes possiveis pelo schema. Server
+	/// reponde rejeicao via S_JOB_CHANGE_RESULT (Jobs::EJobChangeRejectReason).
+	UFUNCTION(BlueprintPure, Category = "Zeus|Jobs")
+	TArray<UZMMOJobDataAsset*> GetEligibleNextJobs(int32 CurrentClassId) const;
+
 private:
 	/// Scan AssetRegistry + popula CachedJobs. Sincronizo (V1) — chamado UMA
 	/// vez no Initialize. Pra 50 jobs eh aceitavel; se crescer pra 200+ pode
diff --git a/Source/ZMMOJobs/ZMMOJobs.Build.cs b/Source/ZMMOJobs/ZMMOJobs.Build.cs
index f5f200f..00a0924 100644
--- a/Source/ZMMOJobs/ZMMOJobs.Build.cs
+++ b/Source/ZMMOJobs/ZMMOJobs.Build.cs
@@ -13,7 +13,8 @@ public class ZMMOJobs : ModuleRules
 		});
 
 		PrivateDependencyModuleNames.AddRange(new string[] {
-			"AssetRegistry"  // FAssetRegistryModule pra scan de DA_Job_*
+			"AssetRegistry",   // FAssetRegistryModule pra scan de DA_Job_*
+			"ZeusNetwork"      // UZeusNetworkSubsystem (SendJobChangeRequest)
 		});
 
 		// Espelho do `Server/.../JobsSystem/module.json` (modulo nucleo MMO).