diff --git a/Adventures in Lestoria Tests/EnchantTests.cpp b/Adventures in Lestoria Tests/EnchantTests.cpp
index de788711..d94718e8 100644
--- a/Adventures in Lestoria Tests/EnchantTests.cpp	
+++ b/Adventures in Lestoria Tests/EnchantTests.cpp	
@@ -624,5 +624,27 @@ namespace EnchantTests
 			testMonster.Hurt(10,testMonster.OnUpperLevel(),testMonster.GetZ(),HurtFlag::PLAYER_ABILITY);
 			Assert::AreEqual(6,testMonster.GetHealth(),L"Monster should have taken 14 hitpoints of damage with the backstab bonus successfully applied.");
 		}
+		TEST_METHOD(TumbleCheck){
+			testKey->bHeld=true; //Force the key to be held down for testing purposes.
+			game->ChangePlayerClass(THIEF);
+			player=game->GetPlayer();
+			player->CheckAndPerformAbility(player->GetRightClickAbility(),testKeyboardInput);
+
+			const float originalIframeTime{"Thief.Right Click Ability.Iframe Time"_F};
+
+			Assert::AreEqual(originalIframeTime,player->GetIframeTime(),L"Iframe time should be normal.");
+
+			const float originalMovespdIntensity{"Thief.Right Click Ability.Movespeed Buff"_f[0]/100.f};
+
+			Assert::AreEqual(originalMovespdIntensity,player->GetBuffs(BuffType::SPEEDBOOST)[0].intensity,L"Player should have a movespeed buff of the regular intensity.");
+			player->RemoveAllBuffs();
+			player->GetRightClickAbility().charges=1;
+			std::weak_ptr<Item>nullRing{Inventory::AddItem("Null Ring"s)};
+			Inventory::EquipItem(nullRing,EquipSlot::RING1);
+			nullRing.lock()->EnchantItem("Tumble");
+			player->CheckAndPerformAbility(player->GetRightClickAbility(),testKeyboardInput);
+			Assert::AreEqual(originalIframeTime+"Thief.Right Click Ability.Iframe Time"_F*"Tumble"_ENC["BOOST PERCENTAGE"]/100.f,player->GetIframeTime(),L"Iframe time should be longer.");
+			Assert::AreEqual(originalMovespdIntensity+originalMovespdIntensity*"Tumble"_ENC["BOOST PERCENTAGE"]/100.f,player->GetBuffs(BuffType::SPEEDBOOST)[0].intensity,L"Player should have a movespeed buff with greater intensity.");
+		}
 	};
 }
\ No newline at end of file
diff --git a/Adventures in Lestoria/Thief.cpp b/Adventures in Lestoria/Thief.cpp
index 305f7bb3..7be05b0d 100644
--- a/Adventures in Lestoria/Thief.cpp	
+++ b/Adventures in Lestoria/Thief.cpp	
@@ -109,11 +109,26 @@ void Thief::InitializeClassAbilities(){
 			[](Player*p,vf2d pos={}){
 				p->SetState(State::ROLL);
 				p->rolling_timer="Thief.Right Click Ability.Roll Time"_F;
-				p->AddBuff(BuffType::SPEEDBOOST,"Thief.Right Click Ability.Movespeed Buff"_f[1],"Thief.Right Click Ability.Movespeed Buff"_f[0]/100.f);
+
+				const float originalRollIntensity{"Thief.Right Click Ability.Movespeed Buff"_f[0]/100.f};
+				float rollIntensity{originalRollIntensity};
+				if(p->HasEnchant("Tumble"))rollIntensity+=originalRollIntensity*("Tumble"_ENC["BOOST PERCENTAGE"]/100.f);
+
+				p->AddBuff(BuffType::SPEEDBOOST,"Thief.Right Click Ability.Movespeed Buff"_f[1],rollIntensity);
 				geom2d::line mouseDir{p->GetPos(),p->GetWorldAimingLocation(Player::USE_WALK_DIR,Player::INVERTED)};
-				float velocity=(0.5f*-p->friction*"Thief.Right Click Ability.Roll Time"_F*"Thief.Right Click Ability.Roll Time"_F-std::clamp(mouseDir.length(),24.f,24.f*"Thief.Right Click Ability.Max Roll Range"_F/100))/-"Thief.Right Click Ability.Roll Time"_F; //Derived from kinetic motion formula.
+
+				const float originalRollRange{"Thief.Right Click Ability.Max Roll Range"_F/100};
+				float rollRange{originalRollRange};
+				if(p->HasEnchant("Tumble"))rollRange+=originalRollRange*("Tumble"_ENC["BOOST PERCENTAGE"]/100.f);
+
+				float velocity=(0.5f*-p->friction*"Thief.Right Click Ability.Roll Time"_F*"Thief.Right Click Ability.Roll Time"_F-std::clamp(mouseDir.length(),24.f,24.f*rollRange))/-"Thief.Right Click Ability.Roll Time"_F; //Derived from kinetic motion formula.
 				p->SetVelocity(mouseDir.vector().norm()*velocity);
-				p->ApplyIframes("Thief.Right Click Ability.Iframe Time"_F);
+
+				const float originalIframeTime{"Thief.Right Click Ability.Iframe Time"_F};
+				float iframeTime{originalIframeTime};
+				if(p->HasEnchant("Tumble"))iframeTime+=originalIframeTime*"Tumble"_ENC["BOOST PERCENTAGE"]/100.f;
+
+				p->ApplyIframes(iframeTime);
 				p->footstepTimer=0.f;
 				return true;
 			};
diff --git a/Adventures in Lestoria/Version.h b/Adventures in Lestoria/Version.h
index 40769f13..53109fa6 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 10944
+#define VERSION_BUILD 10947
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a
diff --git a/x64/Release/Adventures in Lestoria.exe b/x64/Release/Adventures in Lestoria.exe
index 21b0fcb0..954231a7 100644
Binary files a/x64/Release/Adventures in Lestoria.exe and b/x64/Release/Adventures in Lestoria.exe differ