diff --git a/bun.lock b/bun.lock
index db8e4dc..004bb2a 100644
--- a/bun.lock
+++ b/bun.lock
@@ -56,6 +56,13 @@
         "flatmmo-types": "workspace:*",
       },
     },
+    "packages/userscripts/no-vulcan-heat": {
+      "name": "no-vulcan-heat",
+      "version": "1.0.0",
+      "devDependencies": {
+        "flatmmo-types": "workspace:*",
+      },
+    },
   },
   "packages": {
     "@babel/code-frame": ["@babel/code-frame@7.28.6", "", { "dependencies": { "@babel/helper-validator-identifier": "^7.28.5", "js-tokens": "^4.0.0", "picocolors": "^1.1.1" } }, "sha512-JYgintcMjRiCvS8mMECzaEn+m3PfoQiyqukOMCCVQtoJGYJw8j/8LBJEiqkHLkfwCcs74E3pbAUFNg7d9VNJ+Q=="],
@@ -238,6 +245,8 @@
 
     "ms": ["ms@2.1.3", "", {}, "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="],
 
+    "no-vulcan-heat": ["no-vulcan-heat@workspace:packages/userscripts/no-vulcan-heat"],
+
     "node-releases": ["node-releases@2.0.27", "", {}, "sha512-nmh3lCkYZ3grZvqcCH+fjmQ7X+H0OeZgP40OierEaAptX4XofMh5kwNbWh7lBduUzCcV/8kZ+NDLCwm2iorIlA=="],
 
     "oxc-parser": ["oxc-parser@0.108.0", "", { "dependencies": { "@oxc-project/types": "^0.108.0" }, "optionalDependencies": { "@oxc-parser/binding-android-arm-eabi": "0.108.0", "@oxc-parser/binding-android-arm64": "0.108.0", "@oxc-parser/binding-darwin-arm64": "0.108.0", "@oxc-parser/binding-darwin-x64": "0.108.0", "@oxc-parser/binding-freebsd-x64": "0.108.0", "@oxc-parser/binding-linux-arm-gnueabihf": "0.108.0", "@oxc-parser/binding-linux-arm-musleabihf": "0.108.0", "@oxc-parser/binding-linux-arm64-gnu": "0.108.0", "@oxc-parser/binding-linux-arm64-musl": "0.108.0", "@oxc-parser/binding-linux-ppc64-gnu": "0.108.0", "@oxc-parser/binding-linux-riscv64-gnu": "0.108.0", "@oxc-parser/binding-linux-riscv64-musl": "0.108.0", "@oxc-parser/binding-linux-s390x-gnu": "0.108.0", "@oxc-parser/binding-linux-x64-gnu": "0.108.0", "@oxc-parser/binding-linux-x64-musl": "0.108.0", "@oxc-parser/binding-openharmony-arm64": "0.108.0", "@oxc-parser/binding-wasm32-wasi": "0.108.0", "@oxc-parser/binding-win32-arm64-msvc": "0.108.0", "@oxc-parser/binding-win32-ia32-msvc": "0.108.0", "@oxc-parser/binding-win32-x64-msvc": "0.108.0" } }, "sha512-eM0GUxQgVZXZxB364HRlakUH8rBxh5E6dN+RiiCLtOk84WgLFbhydULyd2DUJYxguvcbjWUmmKgVDyvVCeplDA=="],
diff --git a/bun.nix b/bun.nix
index c753980..066786a 100644
--- a/bun.nix
+++ b/bun.nix
@@ -362,6 +362,7 @@
     url = "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz";
     hash = "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==";
   };
+  "no-vulcan-heat" = copyPathToStore ./packages/userscripts/no-vulcan-heat;
   "node-releases@2.0.27" = fetchurl {
     url = "https://registry.npmjs.org/node-releases/-/node-releases-2.0.27.tgz";
     hash = "sha512-nmh3lCkYZ3grZvqcCH+fjmQ7X+H0OeZgP40OierEaAptX4XofMh5kwNbWh7lBduUzCcV/8kZ+NDLCwm2iorIlA==";
diff --git a/packages/lib/flatmmo-types/flatmmo.d.ts b/packages/lib/flatmmo-types/flatmmo.d.ts
index 2fd2d21..9c3322d 100644
--- a/packages/lib/flatmmo-types/flatmmo.d.ts
+++ b/packages/lib/flatmmo-types/flatmmo.d.ts
@@ -63,3 +63,5 @@ declare const players: player[];
 declare const npcs: npc[];
 
 declare const Globals: Globals;
+
+declare let is_volcan_heat: boolean;
diff --git a/packages/userscripts/no-vulcan-heat/index.ts b/packages/userscripts/no-vulcan-heat/index.ts
new file mode 100644
index 0000000..00f06e0
--- /dev/null
+++ b/packages/userscripts/no-vulcan-heat/index.ts
@@ -0,0 +1,12 @@
+const webSocketProxy = new Proxy(server_command, {
+	// wraps
+	apply(target, thisArg, argArray) {
+		const [key, values, raw_data] = argArray;
+		target(key, values, raw_data);
+		if (key === "SET_VOLCANO") {
+			is_volcan_heat = false;
+		}
+	},
+});
+
+server_command = webSocketProxy;
diff --git a/packages/userscripts/no-vulcan-heat/package.json b/packages/userscripts/no-vulcan-heat/package.json
new file mode 100644
index 0000000..7c77380
--- /dev/null
+++ b/packages/userscripts/no-vulcan-heat/package.json
@@ -0,0 +1,9 @@
+{
+	"name": "no-vulcan-heat",
+	"version": "1.0.0",
+	"module": "index.ts",
+	"dependencies": {},
+	"devDependencies": {
+		"flatmmo-types": "workspace:*"
+	}
+}