diff --git a/DungeonEnemies.lua b/DungeonEnemies.lua
index d1f04e8..541d233 100644
--- a/DungeonEnemies.lua
+++ b/DungeonEnemies.lua
@@ -307,8 +307,9 @@ local function setUpMouseHandlersAwakened(self,clone,scale,riftOffsets)
 end
 
 function DungeonToolsEnemyMixin:OnClick(button, down)
+    local readOnlyMode = MDT:GetReadOnlyMode()
 
-    if button == "LeftButton" then
+    if button == "LeftButton" and readOnlyMode == false then
         if IsShiftKeyDown() then
             local newPullIdx = MDT:GetCurrentPull() + 1
             MDT:PresetsAddPull(newPullIdx)
@@ -360,6 +361,9 @@ function DungeonToolsEnemyMixin:OnClick(button, down)
                 MDT:LiveSession_SendCorruptedPositions(preset.value.riftOffsets)
             end
         end
+    elseif button == "LeftButton" and readOnlyMode == true then
+        -- TODO: once enemy/route data is cleaned up we can hopefully add a reference to which pull this enemy belongs to
+        return
     elseif button == "RightButton" then
         if db.devMode then
             if IsAltKeyDown() then
diff --git a/DungeonTools.lua b/DungeonTools.lua
index e0a603c..31517bd 100644
--- a/DungeonTools.lua
+++ b/DungeonTools.lua
@@ -11,6 +11,8 @@ local SetPortraitTextureFromCreatureDisplayID,MouseIsOver = SetPortraitTextureFr
 local sizex = 840
 local sizey = 555
 
+local readOnlyMode = false
+
 local mythicColor = "|cFFFFFFFF"
 MDT.BackdropColor = { 0.058823399245739, 0.058823399245739, 0.058823399245739, 0.9}
 
@@ -800,6 +802,20 @@ function MDT:CreateMenu()
     highlight:SetPoint("TOPRIGHT", resizer, -6, 0)
     resizer:SetHighlightTexture(highlight)
 
+    -- ReadOnly Mode Button
+    self.main_frame.readOnlyButton = CreateFrame("Button", "DungeonToolsLockEnemyButton", self.main_frame, "UIPanelCloseButton")
+    local readOnlyButton = self.main_frame.readOnlyButton
+    local lockTexture = (readOnlyMode and "Interface\\Buttons\\LockButton-Locked-Up" or "Interface\\Buttons\\LockButton-Unlocked-Up")
+
+    readOnlyButton:ClearAllPoints()
+    readOnlyButton:SetPoint("TOPRIGHT", self.main_frame, "TOPRIGHT", -5, -5)
+    readOnlyButton.Icon = readOnlyButton:CreateTexture(nil, "OVERLAY")
+    readOnlyButton.Icon:SetTexture(lockTexture)
+    readOnlyButton.Icon:SetSize(40,40)
+    readOnlyButton.Icon:SetPoint("CENTER",readOnlyButton,"CENTER")
+    readOnlyButton:SetScript("OnClick", function() self:ToggleReadOnlyMode() end)
+    readOnlyButton:SetFrameLevel(4)
+    readOnlyButton.tooltip = "Daa fuck"
 end
 
 function MDT:SkinMenuButtons()
@@ -991,6 +1007,17 @@ function MDT:Minimize()
     db.maximized = false
 end
 
+function DungeonTools:GetReadOnlyMode()
+    return readOnlyMode
+end
+
+function DungeonTools:ToggleReadOnlyMode()
+    readOnlyMode = not readOnlyMode
+
+    local lockTexture = (readOnlyMode and "Interface\\Buttons\\LockButton-Locked-Up" or "Interface\\Buttons\\LockButton-Unlocked-Up")
+    self.main_frame.readOnlyButton.Icon:SetTexture(lockTexture)
+end
+
 function MDT:SkinProgressBar(progressBar)
     local bar = progressBar and progressBar.Bar
     if not bar then return end
diff --git a/Locales/enUS.lua b/Locales/enUS.lua
index 482b5fb..f00dadc 100644
--- a/Locales/enUS.lua
+++ b/Locales/enUS.lua
@@ -1030,3 +1030,4 @@ L["ConnectedTip"] = "Group connections in MDT do not reflect if NPCs are linked
 L["theaterOfPain_miniBossNote"] = "Only one duelist will be alive."
 L["DataImportButtonTooltip"] = "Import external NPC Data."
 L["Import Data"] = "Import Data"
+L["Lock enemy data"] = "Lock enemies placed on map"