diff --git a/data/file_list.yml b/data/file_list.yml
index 64c53263..5dc56b00 100644
--- a/data/file_list.yml
+++ b/data/file_list.yml
@@ -13865,50 +13865,50 @@ Boss/GolemClimb/GolemDownBreakState.o:
     label:
     - _ZN19GolemDownBreakStateC1EPKcP14IUseGolemStateP15GolemShoutState
     - _ZN19GolemDownBreakStateC2EPKcP14IUseGolemStateP15GolemShoutState
-    status: NotDecompiled
+    status: Matching
   - offset: 0x078dec
     size: 96
     label: _ZN19GolemDownBreakState6appearEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x078e4c
     size: 60
     label: _ZN19GolemDownBreakState4killEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x078e88
     size: 104
     label: _ZN19GolemDownBreakState9exeDamageEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x078ef0
     size: 124
     label: _ZN19GolemDownBreakState8exeShoutEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x078f6c
     size: 144
     label: _ZN19GolemDownBreakState10exeRecoverEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x078ffc
     size: 12
     label: _ZN19GolemDownBreakState10startBreakEP19GolemClimbWeakPointPKcS3_
-    status: NotDecompiled
+    status: Matching
   - offset: 0x079008
     size: 36
     label: _ZN19GolemDownBreakStateD0Ev
-    status: NotDecompiled
+    status: Matching
     lazy: true
   - offset: 0x07902c
     size: 108
     label: _ZNK12_GLOBAL__N_128GolemDownBreakStateNrvDamage7executeEPN2al11NerveKeeperE
-    status: NotDecompiled
+    status: Matching
     guess: true
   - offset: 0x079098
     size: 128
     label: _ZNK12_GLOBAL__N_127GolemDownBreakStateNrvShout7executeEPN2al11NerveKeeperE
-    status: NotDecompiled
+    status: Matching
     guess: true
   - offset: 0x079118
     size: 148
     label: _ZNK12_GLOBAL__N_129GolemDownBreakStateNrvRecover7executeEPN2al11NerveKeeperE
-    status: NotDecompiled
+    status: Matching
     guess: true
 Boss/GolemClimb/GolemFunction.o:
   '.text':
diff --git a/src/Boss/GolemClimb/GolemDownBreakState.cpp b/src/Boss/GolemClimb/GolemDownBreakState.cpp
new file mode 100644
index 00000000..7306f61c
--- /dev/null
+++ b/src/Boss/GolemClimb/GolemDownBreakState.cpp
@@ -0,0 +1,72 @@
+#include "Boss/GolemClimb/GolemDownBreakState.h"
+
+#include "Library/LiveActor/ActorActionFunction.h"
+#include "Library/LiveActor/ActorMovementFunction.h"
+#include "Library/Nerve/NerveSetupUtil.h"
+#include "Library/Nerve/NerveUtil.h"
+
+#include "Boss/GolemClimb/GolemClimbWeakPoint.h"
+#include "Boss/GolemClimb/GolemShoutState.h"
+#include "Boss/GolemClimb/IUseGolemState.h"
+
+namespace {
+NERVE_IMPL(GolemDownBreakState, Damage);
+NERVE_IMPL(GolemDownBreakState, Shout);
+NERVE_IMPL(GolemDownBreakState, Recover);
+NERVES_MAKE_NOSTRUCT(GolemDownBreakState, Damage, Shout, Recover);
+}  // namespace
+
+GolemDownBreakState::GolemDownBreakState(const char* name, IUseGolemState* golemState,
+                                         GolemShoutState* shoutState)
+    : al::HostStateBase<IUseGolemState>(name, golemState), mShoutState(shoutState) {
+    initNerve(&Damage, 0);
+}
+
+void GolemDownBreakState::appear() {
+    al::setVelocityZero(getHost()->getActor());
+    al::startHitReaction(getHost()->getActor(), "弱点ヒット");
+    al::setNerve(this, &Damage);
+    NerveStateBase::appear();
+}
+
+void GolemDownBreakState::kill() {
+    mWeakPoint = nullptr;
+    mDamageActionName = nullptr;
+    mRecoverActionName = nullptr;
+    getHost()->endPushSensor();
+    NerveStateBase::kill();
+}
+
+void GolemDownBreakState::exeDamage() {
+    if (al::isFirstStep(this)) {
+        mWeakPoint->startBreak();
+        al::startAction(getHost()->getActor(), mDamageActionName);
+    }
+    if (mWeakPoint->isBreak())
+        al::setNerve(this, &Shout);
+}
+
+void GolemDownBreakState::exeShout() {
+    if (al::isFirstStep(this))
+        mShoutState->appear();
+    mShoutState->control();
+    if (al::isStep(this, 120)) {
+        mShoutState->kill();
+        al::setNerve(this, &Recover);
+    }
+}
+
+void GolemDownBreakState::exeRecover() {
+    if (al::isFirstStep(this))
+        al::startAction(getHost()->getActor(), mRecoverActionName);
+    getHost()->updatePushSensor();
+    if (al::isActionEnd(getHost()->getActor()) && getHost()->tryNextPushSensor())
+        kill();
+}
+
+void GolemDownBreakState::startBreak(GolemClimbWeakPoint* weakPoint, const char* damageActionName,
+                                     const char* recoverActionName) {
+    mWeakPoint = weakPoint;
+    mDamageActionName = damageActionName;
+    mRecoverActionName = recoverActionName;
+}
diff --git a/src/Boss/GolemClimb/GolemDownBreakState.h b/src/Boss/GolemClimb/GolemDownBreakState.h
new file mode 100644
index 00000000..2dfdee85
--- /dev/null
+++ b/src/Boss/GolemClimb/GolemDownBreakState.h
@@ -0,0 +1,27 @@
+#pragma once
+
+#include "Library/Nerve/NerveStateBase.h"
+
+class GolemClimbWeakPoint;
+class GolemShoutState;
+class IUseGolemState;
+
+class GolemDownBreakState : public al::HostStateBase<IUseGolemState> {
+public:
+    GolemDownBreakState(const char* name, IUseGolemState* golemState, GolemShoutState* shoutState);
+    void appear() override;
+    void kill() override;
+    void exeDamage();
+    void exeShout();
+    void exeRecover();
+    void startBreak(GolemClimbWeakPoint* weakPoint, const char* damageActionName,
+                    const char* recoverActionName);
+
+private:
+    GolemShoutState* mShoutState = nullptr;
+    GolemClimbWeakPoint* mWeakPoint = nullptr;
+    const char* mDamageActionName = nullptr;
+    const char* mRecoverActionName = nullptr;
+};
+
+static_assert(sizeof(GolemDownBreakState) == 0x40);