diff --git a/Source/Contents/EffectResourceSwitcher.cpp b/Source/Contents/EffectResourceSwitcher.cpp
index 178db951..6b8b67a2 100644
--- a/Source/Contents/EffectResourceSwitcher.cpp
+++ b/Source/Contents/EffectResourceSwitcher.cpp
@@ -544,3 +544,13 @@ int CEZ2STREffectMgr::EffectId(const std::string& name) {
 
   return -1;
 }
+
+// OFFSET: 0x00700BA0
+// FUNCTION: fn_06990
+std::vector<int> CEZ2STREffectMgr::EffectIds() {
+  std::vector<int> ids;
+  for (auto it = this->effects.begin(); it != this->effects.end(); ++it) {
+    ids.push_back(it->second.id + 10000);
+  }
+  return ids;
+}
diff --git a/Source/Contents/EffectResourceSwitcher.h b/Source/Contents/EffectResourceSwitcher.h
index 87e20a56..7d7ebe51 100644
--- a/Source/Contents/EffectResourceSwitcher.h
+++ b/Source/Contents/EffectResourceSwitcher.h
@@ -10,6 +10,7 @@
 #include <map>
 #include <string>
 #include <utility>
+#include <vector>
 
 struct EZ2STREffectInfo {
   /* 0000 */ int id = 0;
@@ -46,6 +47,7 @@ public:
 
   EZ2STREffectInfo* FindById(int id);
   int EffectId(const std::string& name);
+  std::vector<int> EffectIds();
 };
 
 class CEZ2STREffect : public CEffect {