diff --git a/worldbuilder.cpp b/worldbuilder.cpp
index dc6e76b..96d4efb 100644
--- a/worldbuilder.cpp
+++ b/worldbuilder.cpp
@@ -238,7 +238,8 @@ void WorldBuilder::place_entities(DinkyECS::World &world) {
     }
 
     for(size_t room_num = $map.room_count() - 1; room_num > 0; room_num--) {
-      if(room_num % 2 == 0) {
+      int has_combatant = Random::uniform<int>(0, 3);
+      if(has_combatant == 0) {
         std::string key = keys[room_num % keys.size()];
         place_combatant(world, $map, key, room_num);
       }