diff --git a/headers/functions/overlay29.h b/headers/functions/overlay29.h
index 98548c29..1ac75d7e 100644
--- a/headers/functions/overlay29.h
+++ b/headers/functions/overlay29.h
@@ -34,6 +34,7 @@ bool ShouldDisplayEntityWrapper(struct entity* entity);
 bool CanSeeTarget(struct entity* user, struct entity* target);
 bool CanTargetEntity(struct entity* user, struct entity* target);
 bool CanTargetPosition(struct entity* monster, struct position* position);
+void PopulateActiveMonsterPtrs();
 int GetTeamMemberIndex(struct entity* monster);
 void SubstitutePlaceholderStringTags(int string_id, struct entity* entity, undefined4 param_3);
 bool UpdateMapSurveyorFlag(void);
@@ -55,6 +56,7 @@ void PlayEffectAnimation0x1A9(struct entity* entity);
 void PlayEffectAnimation0x18E(struct entity* entity);
 void LoadMappaFileAttributes(int quick_saved, bool disable_monsters, undefined* special_process);
 enum item_id GetItemIdToSpawn(enum item_list_type item_list);
+int CopySpawnEntriesMaster(struct monster_spawn_entry* spawn_entries, int offset);
 int MonsterSpawnListPartialCopy(struct monster_spawn_entry* buffer, int current_buffer_entries);
 bool IsOnMonsterSpawnList(enum monster_id monster_id);
 enum monster_id GetMonsterIdToSpawn(int spawn_weight);
diff --git a/symbols/overlay29.yml b/symbols/overlay29.yml
index ffcce099..bcf8d90b 100644
--- a/symbols/overlay29.yml
+++ b/symbols/overlay29.yml
@@ -492,6 +492,11 @@ overlay29:
         r0: Entity pointer
         r1: Target position
         return: True if the specified monster can target the target position, false otherwise.
+    - name: PopulateActiveMonsterPtrs
+      address:
+        EU: 0x22E32B8
+      description: |-
+        Populates active_monster_ptrs with all valid monsters in the monster_slot_headers array.
     - name: GetTeamMemberIndex
       address:
         EU: 0x22E3378
@@ -770,6 +775,15 @@ overlay29:
         
         r0: Which item list to use
         return: Item ID
+    - name: CopySpawnEntriesMaster
+      address:
+        EU: 0x22E8598
+      description: |-
+        Copies the array at spawn_entries_master, starting from offset, to spawn_entries and returns the size.
+
+        r0: [output] Size 16 monster_spawn_entry array
+        r1: Offset (always 0 in practice)
+        return: int
     - name: MonsterSpawnListPartialCopy
       address:
         EU: 0x22E8610