diff --git a/src/MpConstants.h b/src/MpConstants.h
new file mode 100644
index 0000000..37eae2b
--- /dev/null
+++ b/src/MpConstants.h
@@ -0,0 +1,10 @@
+
+#ifndef MP_CONSTANTS_H
+#define MP_CONSTANTS_H
+
+namespace MpConstants {
+    constexpr int ANCIENT_DICE = 911000;
+    constexpr int DARK_SPIKE = 911001;
+}
+
+#endif