diff --git a/ootrando_overworldmap_hamsda/changelog.md b/ootrando_overworldmap_hamsda/changelog.md
index 39886028..a0563287 100644
--- a/ootrando_overworldmap_hamsda/changelog.md
+++ b/ootrando_overworldmap_hamsda/changelog.md
@@ -3,6 +3,7 @@
 ## x
 
 - fixed Spirit fire locked chests with sticks
+- added blue fire logic to ER (buying not supported)
 
 ## 3.3.0.0
 
diff --git a/ootrando_overworldmap_hamsda/scripts/logic_entrance.lua b/ootrando_overworldmap_hamsda/scripts/logic_entrance.lua
index 3f2c5f8e..70db8195 100644
--- a/ootrando_overworldmap_hamsda/scripts/logic_entrance.lua
+++ b/ootrando_overworldmap_hamsda/scripts/logic_entrance.lua
@@ -246,6 +246,40 @@ function has_bottle()
   return or_accessibility(deliver, travel)
 end
 
+blue_fire_locations = {
+  ["either"] = {
+    "Ganons Castle Water Trial",
+    "Ganons Castle MQ Water Trial",
+    "Gerudo Training Grounds MQ Stalfos Room",
+    "Ice Cavern MQ Map Room"
+  },
+  ["adult"] = {
+    "Ice Cavern"
+  }
+}
+function has_blue_fire()
+  local bottle = has_bottle()
+
+  if bottle == AccessibilityLevel.None then
+    return AccessibilityLevel.None
+  end
+
+  --TODO: shopsanity
+  --if has("wallet2") then
+  --  return bottle
+  --end
+
+  for age, locations in pairs(blue_fire_locations) do
+    for _, location in ipairs(locations) do
+      if access_region(location, age) == AccessibilityLevel.Normal then
+        return bottle
+      end
+    end
+  end
+
+  return AccessibilityLevel.SequenceBreak
+end
+
 function drain_well()
   if has("ocarina") and has("storm") then
     return access_region("Kak Windmill", "child")
diff --git a/ootrando_overworldmap_hamsda/scripts/regions.lua b/ootrando_overworldmap_hamsda/scripts/regions.lua
index 76614a32..453e9bfd 100644
--- a/ootrando_overworldmap_hamsda/scripts/regions.lua
+++ b/ootrando_overworldmap_hamsda/scripts/regions.lua
@@ -4712,8 +4712,7 @@ data_per_region = {
           return AccessibilityLevel.Normal
         end,
         ["adult_access"] = function()
-          --TODO: blue fire
-          return has_bottle()
+          return has_blue_fire()
         end
       },
       ["ZD Storms Grotto"] = {
@@ -10895,7 +10894,7 @@ data_per_region = {
       },
       ["Ice Cavern Compass Chest"] = {
         ["child_access"] = function()
-          return has_bottle() --TODO: blue fire
+          return has_blue_fire()
         end,
         ["adult_access"] = function()
           return has_bottle()
@@ -10904,7 +10903,7 @@ data_per_region = {
       ["Ice Cavern Iron Boots Chest"] = {
         ["child_access"] = function()
           if has("sling") or has("sticks") or has("sword1") or (has("dinsfire") and has("magic")) then
-            return has_bottle() --TODO: blue fire
+            return has_blue_fire()
           end
           return AccessibilityLevel.None
         end,
@@ -10915,7 +10914,7 @@ data_per_region = {
       ["Sheik in Ice Cavern"] = {
         ["child_access"] = function()
           if has("sling") or has("sticks") or has("sword1") or (has("dinsfire") and has("magic")) then
-            return has_bottle() --TODO: blue fire
+            return has_blue_fire()
           end
           return AccessibilityLevel.None
         end,
@@ -10925,7 +10924,7 @@ data_per_region = {
       },
       ["Ice Cavern Freestanding PoH"] = {
         ["child_access"] = function()
-          return has_bottle() --TODO: blue fire
+          return has_blue_fire()
         end,
         ["adult_access"] = function()
           return has_bottle()
@@ -10948,7 +10947,7 @@ data_per_region = {
       ["Ice Cavern GS Heart Piece Room"] = {
         ["child_access"] = function()
           if has("boomerang") then
-            return has_bottle() --TODO: blue fire
+            return has_blue_fire()
           end
           return AccessibilityLevel.None
         end,
@@ -10962,7 +10961,7 @@ data_per_region = {
       ["Ice Cavern GS Push Block Room"] = {
         ["child_access"] = function()
           if has("boomerang") then
-            return has_bottle() --TODO: blue fire
+            return has_blue_fire()
           end
           return AccessibilityLevel.None
         end,
@@ -11015,7 +11014,7 @@ data_per_region = {
       },
       ["Ice Cavern MQ Iron Boots Region"] = {
         ["child_access"] = function()
-          return has_bottle() --TODO: blue fire
+          return has_blue_fire()
         end,
         ["adult_access"] = function()
           return has_bottle()