diff --git a/data/uking_functions.csv b/data/uking_functions.csv
index 049c5f10..4d91f223 100644
--- a/data/uking_functions.csv
+++ b/data/uking_functions.csv
@@ -74404,12 +74404,12 @@
 0x0000007100d68e54,sub_7100D68E54,188,
 0x0000007100d68f10,nullsub_5545,4,
 0x0000007100d68f14,sub_7100D68F14,412,
-0x0000007100d690b0,aocManager::disposer::dtor,92,
-0x0000007100d6910c,aocManager::disposer::dtorDelete,100,
-0x0000007100d69170,aocManager::createInstance,128,
-0x0000007100d691f0,aocManager::ctor,1560,
+0x0000007100d690b0,aocManager::disposer::dtor,92,_ZN5uking3aoc7Manager18SingletonDisposer_D2Ev
+0x0000007100d6910c,aocManager::disposer::dtorDelete,100,_ZN5uking3aoc7Manager18SingletonDisposer_D0Ev
+0x0000007100d69170,aocManager::createInstance,128,_ZN5uking3aoc7Manager14createInstanceEPN4sead4HeapE
+0x0000007100d691f0,aocManager::ctor,1560,_ZN5uking3aoc7ManagerC1Ev
 0x0000007100d69808,aocManagerInitFlagsFuncPtr,4,
-0x0000007100d6980c,aocManager::dtor,380,
+0x0000007100d6980c,aocManager::dtor,380,_ZN5uking3aoc7ManagerD1Ev
 0x0000007100d69988,aocManager::init,256,
 0x0000007100d69a88,aocManager::loadVersionFile,204,
 0x0000007100d69b54,sub_7100D69B54,180,
@@ -74441,8 +74441,8 @@
 0x0000007100d6c8c4,getAocFlagString,428,
 0x0000007100d6ca70,j__ZdlPv_858,4,
 0x0000007100d6ca74,_ZN4sead19FixedSafeStringBaseIcLi107EEaSERKNS_14SafeStringBaseIcEE,240,
-0x0000007100d6cb64,sub_7100D6CB64,48,
-0x0000007100d6cb94,sub_7100D6CB94,92,
+0x0000007100d6cb64,sub_7100D6CB64,48,_ZN4sead9Delegate1IN5uking3aoc7ManagerEPN4ksys3gdt7Manager11ReinitEventEE6invokeES8_
+0x0000007100d6cb94,sub_7100D6CB94,92,_ZNK4sead9Delegate1IN5uking3aoc7ManagerEPN4ksys3gdt7Manager11ReinitEventEE5cloneEPNS_4HeapE
 0x0000007100d6cbf0,j__ZdlPv_859,4,
 0x0000007100d6cbf4,_ZN4sead15FixedSafeStringILi153EEaSERKNS_14SafeStringBaseIcEE,240,
 0x0000007100d6cce4,aoc2::Instance::dtor,92,_ZN5uking4aoc218SingletonDisposer_D2Ev
@@ -76026,7 +76026,7 @@
 0x0000007100dd0970,nullsub_3856,4,
 0x0000007100dd0974,GameDataMgr::calc1,240,
 0x0000007100dd0a64,GameDataMgr::setCallback_stubbed,4,_ZN4ksys3gdt7Manager17addReinitCallbackERN4sead13DelegateEventIPNS1_11ReinitEventEE4SlotE
-0x0000007100dd0a68,nullsub_3858,4,
+0x0000007100dd0a68,nullsub_3858,4,_ZN4ksys3gdt7Manager20removeReinitCallbackERN4sead13DelegateEventIPNS1_11ReinitEventEE4SlotE
 0x0000007100dd0a6c,GameDataMgr::setCurrentRupeeFlagName,12,
 0x0000007100dd0a78,GameDataMgr::requestResetAllToInitial,16,
 0x0000007100dd0a88,GameDataMgr::getAndSetShrineQuestAndKassFlags,3628,
diff --git a/lib/sead b/lib/sead
index 0295cef7..161a4d01 160000
--- a/lib/sead
+++ b/lib/sead
@@ -1 +1 @@
-Subproject commit 0295cef7a2f87eef8c7b75b6a21d8b3a9bd1572d
+Subproject commit 161a4d014b9de8c41b44ba08b716b3b45e656de4
diff --git a/src/Game/DLC/aocManager.cpp b/src/Game/DLC/aocManager.cpp
index 80d2711a..947bbba4 100644
--- a/src/Game/DLC/aocManager.cpp
+++ b/src/Game/DLC/aocManager.cpp
@@ -1 +1,46 @@
 #include "Game/DLC/aocManager.h"
+#include <filedevice/seadFileDeviceMgr.h>
+#include "KingSystem/Utils/SafeDelete.h"
+
+#ifdef NNSDK
+#include <nn/fs.h>
+#endif
+
+namespace uking::aoc {
+
+SEAD_SINGLETON_DISPOSER_IMPL(Manager)
+
+Manager::Manager() : mGdtReinitSlot{this, &Manager::onGdtReinit} {
+    resetFlags();
+}
+
+Manager::~Manager() {
+    if (auto* gdm = ksys::gdt::Manager::instance())
+        gdm->removeReinitCallback(mGdtReinitSlot);
+
+    mFileDevicePrefix.deregister();
+    mFileDevicePrefix2.deregister();
+    mVersionFileDevPrefix.deregister();
+
+    if (mFileDevice) {
+        sead::FileDeviceMgr::instance()->unmount("aoc");
+        ksys::util::safeDelete(mFileDevice);
+    }
+
+#ifdef NNSDK
+    if (mAocFsCache) {
+        nn::fs::Unmount("aoc");
+        ksys::util::safeDelete(mAocFsCache);
+    }
+#endif
+}
+
+void Manager::resetFlags() {
+    mFlagAocVerAtLastPlay = ksys::gdt::InvalidHandle;
+    mFlagLatestAocVerPlayed = ksys::gdt::InvalidHandle;
+    mFlagHasAocVer1 = ksys::gdt::InvalidHandle;
+    mFlagHasAocVer2 = ksys::gdt::InvalidHandle;
+    mFlagHasAocVer3 = ksys::gdt::InvalidHandle;
+}
+
+}  // namespace uking::aoc
diff --git a/src/Game/DLC/aocManager.h b/src/Game/DLC/aocManager.h
index db3c39f4..bb201944 100644
--- a/src/Game/DLC/aocManager.h
+++ b/src/Game/DLC/aocManager.h
@@ -1,9 +1,15 @@
 #pragma once
 
+#include <container/seadSafeArray.h>
 #include <heap/seadDisposer.h>
+#include <math/seadVector.h>
 #include <prim/seadSafeString.h>
+#include <prim/seadStorageFor.h>
+#include <prim/seadTypedBitFlag.h>
+#include "KingSystem/GameData/gdtManager.h"
 #include "KingSystem/Resource/resHandle.h"
 #include "KingSystem/Resource/resResourceMgrTask.h"
+#include "KingSystem/Utils/Types.h"
 
 namespace sead {
 class FileDevice;
@@ -27,13 +33,53 @@ public:
     bool hasAoc3() const { return mVersion >= 0x300; }
 
 private:
-    sead::FileDevice* mFileDevice{};
-    ksys::res::FileDevicePrefix mFileDevicePrefix;
+    enum class Flag : u8 {
 
-    ksys::res::Handle mVersionResHandle;
-    sead::FixedSafeString<16> mVersionString;
+    };
+
+    struct DLCPosition {
+        sead::Vector3f translate = sead::Vector3f::zero;
+        sead::Vector3f rotate = sead::Vector3f::zero;
+        sead::Vector3f translate2 = sead::Vector3f::zero;
+        float scale = 0.0;
+        ksys::gdt::FlagHandle flag_handle = ksys::gdt::InvalidHandle;
+    };
+    KSYS_CHECK_SIZE_NX150(DLCPosition, 0x2c);
+
+    struct VersionFile {
+        ksys::res::Handle file_handle;
+        sead::FixedSafeString<16> string;
+    };
+    KSYS_CHECK_SIZE_NX150(VersionFile, 0x78);
+
+    void resetFlags();
+    void onGdtReinit(ksys::gdt::Manager::ReinitEvent* event);
+
+    sead::FileDevice* mFileDevice{};
+
+    ksys::res::FileDevicePrefix mVersionFileDevPrefix;
+    sead::StorageFor<VersionFile, true> mVersionFile{sead::ZeroInitializeTag{}};
     u32 mVersion{};
-    // TODO: more fields
+
+    ksys::res::Handle mAocMapMainFieldPack;
+    ksys::res::FileDevicePrefix mFileDevicePrefix;
+    ksys::res::Handle* mAocArchive{};
+    ksys::res::FileDevicePrefix mFileDevicePrefix2;
+
+    sead::SafeArray<DLCPosition, 20> mDLCPositions;
+
+    ksys::gdt::FlagHandle mFlagAocVerAtLastPlay{};
+    ksys::gdt::FlagHandle mFlagLatestAocVerPlayed{};
+    ksys::gdt::FlagHandle mFlagHasAocVer1{};
+    ksys::gdt::FlagHandle mFlagHasAocVer2{};
+    ksys::gdt::FlagHandle mFlagHasAocVer3{};
+    ksys::gdt::Manager::ReinitSignal::Slot mGdtReinitSlot;
+
+    sead::TypedBitFlag<Flag> mFlags{};
+#ifdef NNSDK
+    u8* mAocFsCache{};
+#endif
 };
+KSYS_CHECK_SIZE_NX150(Manager, 0x598);
 
 }  // namespace uking::aoc
diff --git a/src/KingSystem/GameData/gdtManager.cpp b/src/KingSystem/GameData/gdtManager.cpp
index 7c063df8..c3cd8c6d 100644
--- a/src/KingSystem/GameData/gdtManager.cpp
+++ b/src/KingSystem/GameData/gdtManager.cpp
@@ -137,6 +137,10 @@ void Manager::addReinitCallback(sead::DelegateEvent<ReinitEvent*>::Slot&) {
     // Stubbed in release builds.
 }
 
+void Manager::removeReinitCallback(sead::DelegateEvent<Manager::ReinitEvent*>::Slot& slot) {
+    // Stubbed in release builds.
+}
+
 void Manager::IncreaseLogger::addRecord(s32 value, const sead::SafeString& name, s32 sub_idx,
                                         bool debug) {
     const u32 name_hash = sead::HashCRC32::calcStringHash(name);
diff --git a/src/KingSystem/GameData/gdtManager.h b/src/KingSystem/GameData/gdtManager.h
index a374e219..24f9841e 100644
--- a/src/KingSystem/GameData/gdtManager.h
+++ b/src/KingSystem/GameData/gdtManager.h
@@ -478,6 +478,7 @@ public:
     void init(sead::Heap* heap, sead::Framework* framework);
 
     void addReinitCallback(ReinitSignal::Slot& slot);
+    void removeReinitCallback(ReinitSignal::Slot& slot);
 
 private:
     enum class BitFlag {
diff --git a/src/KingSystem/Resource/resResourceMgrTask.h b/src/KingSystem/Resource/resResourceMgrTask.h
index d8c1d042..774ab55c 100644
--- a/src/KingSystem/Resource/resResourceMgrTask.h
+++ b/src/KingSystem/Resource/resResourceMgrTask.h
@@ -66,6 +66,8 @@ public:
     bool getField28() const { return _28; }
     void setField28(bool value) { _28 = value; }
 
+    void deregister();
+
     static constexpr size_t getListNodeOffset() { return offsetof(FileDevicePrefix, mListNode); }
 
 private:
@@ -404,4 +406,9 @@ KSYS_CHECK_SIZE_NX150(sead::TaskBase, 0xd0);
 KSYS_CHECK_SIZE_NX150(sead::MethodTreeNode, 0x98);
 KSYS_CHECK_SIZE_NX150(ResourceMgrTask, 0x9c0eb8);
 
+inline void FileDevicePrefix::deregister() {
+    if (mListNode.isLinked())
+        ResourceMgrTask::instance()->deregisterFileDevicePrefix(*this);
+}
+
 }  // namespace ksys::res