diff --git a/src/IndividualProgressionPlayer.cpp b/src/IndividualProgressionPlayer.cpp
index e642757..e24a13b 100644
--- a/src/IndividualProgressionPlayer.cpp
+++ b/src/IndividualProgressionPlayer.cpp
@@ -177,6 +177,17 @@ public:
             ChatHandler(player->GetSession()).PSendSysMessage("Progression Level Required = |cff00ffff{}|r", PROGRESSION_MOLTEN_CORE);
             return false;
         }
+        if (mapid == MAP_ONYXIAS_LAIR) // needed to prevent summoning invalid characters from inside the instance
+        {
+			if (!sIndividualProgression->hasPassedProgression(player, PROGRESSION_TBC_TIER_5) && !player->HasItemCount(ITEM_DRAKEFIRE_AMULET)) // Vanilla
+            {
+                return false;
+            }
+			else if (sIndividualProgression->hasPassedProgression(player, PROGRESSION_TBC_TIER_5) && player->GetLevel() != IP_LEVEL_WOTLK) // WotLK
+            {
+                return false;
+            }
+        }
         if (mapid == MAP_ZUL_GURUB && !sIndividualProgression->hasPassedProgression(player, PROGRESSION_BLACKWING_LAIR))
         {
             ChatHandler(player->GetSession()).PSendSysMessage("Progression Level Required = |cff00ffff{}|r", PROGRESSION_BLACKWING_LAIR);