diff --git a/Adventures in Lestoria Tests/EnchantTests.cpp b/Adventures in Lestoria Tests/EnchantTests.cpp
index 8431626e..7d149d11 100644
--- a/Adventures in Lestoria Tests/EnchantTests.cpp	
+++ b/Adventures in Lestoria Tests/EnchantTests.cpp	
@@ -1136,5 +1136,30 @@ namespace EnchantTests
 			game->OnUserUpdate(5.f);
 			Assert::IsTrue(newMonster.CanMove(),L"Monster should no longer be stunned.");
 		}
+		TEST_METHOD(SonicUpgradeNoEnchantCheck){
+			testKey->bHeld=true; //Force the key to be held down for testing purposes.
+			Monster&newMonster{game->SpawnMonster({},MONSTER_DATA["TestName"])};
+			Assert::AreEqual("Warrior.Ability 3.Cooldown"_F,player->GetAbility3().GetCooldownTime(),L"Player's Sonic Slash cooldown time is normal.");
+			Assert::AreEqual("Warrior.Ability 3.Mana Cost"_I,player->GetAbility3().manaCost,L"Player's Sonic Slash mana cost is normal.");
+			testGame->OnUserUpdate(0.f);
+			player->CheckAndPerformAbility(player->GetAbility3(),testKeyboardInput);
+			testGame->SetElapsedTime(0.5f);
+			testGame->OnUserUpdate(0.5f);
+			Assert::AreEqual(920,newMonster.GetHealth(),L"Monster has taken the normal amount of 80 health.");
+		}
+		TEST_METHOD(SonicUpgradeEnchantCheck){
+			testKey->bHeld=true; //Force the key to be held down for testing purposes.
+			Monster&newMonster{game->SpawnMonster({},MONSTER_DATA["TestName"])};
+			std::weak_ptr<Item>nullRing{Inventory::AddItem("Null Ring"s)};
+			Inventory::EquipItem(nullRing,EquipSlot::RING1);
+			nullRing.lock()->EnchantItem("Sonic Upgrade");
+			Assert::AreEqual("Warrior.Ability 3.Cooldown"_F*0.85f,player->GetAbility3().GetCooldownTime(),L"Player's Sonic Slash cooldown time is normal.");
+			Assert::AreEqual(int("Warrior.Ability 3.Mana Cost"_I*0.85f),player->GetAbility3().manaCost,L"Player's Sonic Slash mana cost is normal.");
+			testGame->OnUserUpdate(0.f);
+			player->CheckAndPerformAbility(player->GetAbility3(),testKeyboardInput);
+			testGame->SetElapsedTime(0.5f);
+			testGame->OnUserUpdate(0.5f);
+			Assert::AreEqual(910,newMonster.GetHealth(),L"Monster now takes 90 health with the Sonic Upgrade (10% of player's Max HP).");
+		}
 	};
 }
diff --git a/Adventures in Lestoria/Monster.cpp b/Adventures in Lestoria/Monster.cpp
index f09d818c..ecdb8711 100644
--- a/Adventures in Lestoria/Monster.cpp	
+++ b/Adventures in Lestoria/Monster.cpp	
@@ -478,7 +478,7 @@ void Monster::Draw()const{
 	const float finalSpriteRot=HasFourWaySprites()?0.f:spriteRot; //Prevent 4-way sprites from being rotated.
 	
 	vf2d imageScale{vf2d(GetSizeMult()*(!HasFourWaySprites()&&GetFacingDirection()==Direction::EAST?-1:1),GetSizeMult())};
-	if(GetRemainingStunDuration()>0.f)imageScale*=abs(sin(3*PI*game->GetRunTime()))*0.2f+0.8f;
+	if(GetRemainingStunDuration()>0.f)imageScale*=abs(sin(3*PI*game->GetRunTime()))*0.15f+0.85f;
 	const vf2d glowPurpleImageScale{imageScale*1.1f};
 
 	const auto DrawBaseMonster=[&](vf2d scale={1.f,1.f},Pixel col=WHITE){
diff --git a/Adventures in Lestoria/Player.cpp b/Adventures in Lestoria/Player.cpp
index 056b296f..e084c5d4 100644
--- a/Adventures in Lestoria/Player.cpp	
+++ b/Adventures in Lestoria/Player.cpp	
@@ -1507,6 +1507,13 @@ void Player::RecalculateEquipStats(){
 		}
 	}
 
+	if(GetClass()&WARRIOR){
+		if(HasEnchant("Sonic Upgrade")){
+			GetAbility3().COOLDOWN_TIME-=GetAbility3().COOLDOWN_TIME*"Sonic Upgrade"_ENC["REDUCTION PCT"]/100.f;
+			GetAbility3().manaCost-=GetAbility3().manaCost*"Sonic Upgrade"_ENC["REDUCTION PCT"]/100.f;
+		}
+	}
+
 	for(const std::reference_wrapper<Ability>&a:GetAbilities()){
 		if(a.get().itemAbility)continue;
 		if(a.get().charges<a.get().MAX_CHARGES&&a.get().cooldown==0.f)a.get().cooldown=a.get().GetCooldownTime();
diff --git a/Adventures in Lestoria/Version.h b/Adventures in Lestoria/Version.h
index 20a818e0..d025652d 100644
--- a/Adventures in Lestoria/Version.h	
+++ b/Adventures in Lestoria/Version.h	
@@ -39,7 +39,7 @@ All rights reserved.
 #define VERSION_MAJOR 1
 #define VERSION_MINOR 2
 #define VERSION_PATCH 3
-#define VERSION_BUILD 11094
+#define VERSION_BUILD 11097
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a
diff --git a/Adventures in Lestoria/Warrior.cpp b/Adventures in Lestoria/Warrior.cpp
index ed7b9062..ef69b105 100644
--- a/Adventures in Lestoria/Warrior.cpp	
+++ b/Adventures in Lestoria/Warrior.cpp	
@@ -173,7 +173,9 @@ void Warrior::InitializeClassAbilities(){
 						p->UpdateAnimation("WARRIOR_SWINGSONICSWORD_S",WARRIOR);
 					}break;
 				}
-				BULLET_LIST.push_back(std::make_unique<Bullet>(p->GetPos(),bulletVel,"Warrior.Ability 3.Radius"_F,p->GetAttack()*"Warrior.Ability 3.DamageMult"_F,"sonicslash.png",p->upperLevel,true,"Warrior.Ability 3.Lifetime"_F,true,true,WHITE,vf2d{"Warrior.Ability 3.Radius"_F/30,"Warrior.Ability 3.Radius"_F/30}));
+				int sonicSlashDamage{int(p->GetAttack()*"Warrior.Ability 3.DamageMult"_F)};
+				if(p->HasEnchant("Sonic Upgrade"))sonicSlashDamage+=p->GetMaxHealth()*"Sonic Upgrade"_ENC["ADDITIONAL DMG PCT"]/100.f;
+				BULLET_LIST.emplace_back(std::make_unique<Bullet>(p->GetPos(),bulletVel,"Warrior.Ability 3.Radius"_F,sonicSlashDamage,"sonicslash.png",p->upperLevel,true,"Warrior.Ability 3.Lifetime"_F,true,true,WHITE,vf2d{"Warrior.Ability 3.Radius"_F/30,"Warrior.Ability 3.Radius"_F/30}));
 				game->SetupWorldShake("Warrior.Ability 3.ShakeTime"_F);
 				if(p->HasEnchant("Sword Enchantment"))p->AddBuff(BuffType::SWORD_ENCHANTMENT,"Sword Enchantment"_ENC["INCREASE DURATION"],1);
 				SoundEffect::PlaySFX("Warrior Sonic Slash",SoundEffect::CENTERED);