diff --git a/asm/union_room.s b/asm/union_room.s
index 9bbbf52e57..a83ae2d30c 100755
--- a/asm/union_room.s
+++ b/asm/union_room.s
@@ -5,142 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8018120
-sub_8018120: @ 8018120
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	lsls r1, 24
-	movs r2, 0
-	mov r8, r2
-	cmp r1, 0
-	bne _0801813E
-	ldrh r7, [r0, 0xA]
-	ldr r6, [r0, 0x4]
-	b _08018142
-_08018136:
-	lsls r0, r5, 16
-	lsrs r0, 16
-	mov r8, r0
-	b _08018176
-_0801813E:
-	ldrh r7, [r0, 0xE]
-	ldr r6, [r0, 0x14]
-_08018142:
-	movs r5, 0
-	b _0801816E
-_08018146:
-	movs r0, 0x64
-	adds r1, r5, 0
-	muls r1, r0
-	ldr r0, =gPlayerParty
-	adds r4, r1, r0
-	adds r0, r4, 0
-	movs r1, 0
-	bl GetMonData
-	cmp r0, r6
-	bne _0801816C
-	adds r0, r4, 0
-	movs r1, 0x41
-	bl GetMonData
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, r7
-	beq _08018136
-_0801816C:
-	adds r5, 0x1
-_0801816E:
-	ldr r0, =gPlayerPartyCount
-	ldrb r0, [r0]
-	cmp r5, r0
-	blt _08018146
-_08018176:
-	mov r0, r8
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_8018120
-
-	thumb_func_start sub_801818C
-sub_801818C: @ 801818C
-	push {r4,lr}
-	adds r4, r0, 0
-	bl sub_80173B0
-	bl ScriptContext2_Disable
-	bl sub_8098524
-	ldr r1, =gUnknown_02022C2C
-	movs r0, 0
-	strb r0, [r1]
-	cmp r4, 0
-	beq _080181BC
-	ldr r2, =gUnknown_02022C40
-	ldrh r0, [r2, 0x2]
-	ldrh r1, [r2, 0xA]
-	ldrh r2, [r2, 0xC]
-	bl sub_8010FCC
-	movs r0, 0x40
-	movs r1, 0
-	movs r2, 0
-	bl sub_8011090
-_080181BC:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801818C
-
-	thumb_func_start sub_80181CC
-sub_80181CC: @ 80181CC
-	push {lr}
-	bl ScriptContext2_Enable
-	bl ScriptFreezeEventObjects
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80181CC
-
-	thumb_func_start sub_80181DC
-sub_80181DC: @ 80181DC
-	push {r4,lr}
-	movs r3, 0x80
-	movs r2, 0
-	ldr r4, [r0, 0xC]
-_080181E4:
-	lsls r0, r2, 3
-	subs r0, r2
-	lsls r0, 2
-	adds r1, r4, r0
-	ldrb r0, [r1, 0x18]
-	lsls r0, 31
-	cmp r0, 0
-	beq _0801820C
-	ldrb r0, [r1, 0xB]
-	lsls r0, 31
-	lsrs r0, 31
-	lsls r0, 3
-	orrs r3, r0
-	ldrb r1, [r1, 0x2]
-	movs r0, 0x7
-	ands r0, r1
-	orrs r3, r0
-	lsls r0, r3, 24
-	lsrs r3, r0, 24
-	b _08018216
-_0801820C:
-	adds r0, r2, 0x1
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0x3
-	bls _080181E4
-_08018216:
-	adds r0, r3, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80181DC
-
 	thumb_func_start sub_8018220
 sub_8018220: @ 8018220
 	push {r4-r7,lr}
diff --git a/include/event_obj_lock.h b/include/event_obj_lock.h
index 2f09ad36a7..037c0080d9 100644
--- a/include/event_obj_lock.h
+++ b/include/event_obj_lock.h
@@ -8,5 +8,6 @@ void LockSelectedEventObject(void);
 void sub_8098630(void);
 bool8 sub_8098734(void);
 void ScriptUnfreezeEventObjects(void);
+void sub_8098524(void);
 
 #endif // GUARD_EVENT_OBJ_LOCK_H
diff --git a/include/rom_8011DC0.h b/include/rom_8011DC0.h
index 4341185a3a..f994f846e4 100644
--- a/include/rom_8011DC0.h
+++ b/include/rom_8011DC0.h
@@ -135,12 +135,12 @@ union UnkUnion_Main
 struct TradeUnkStruct
 {
     u16 field_0;
-    u16 field_2;
-    u32 field_4;
+    u16 type;
+    u32 playerPersonality;
     u8 field_8;
     u8 field_9;
-    u16 field_A;
-    u16 field_C;
+    u16 playerSpecies;
+    u16 playerLevel;
     u16 species;
     u16 level;
     u16 field_12;
diff --git a/src/union_room.c b/src/union_room.c
index d3a9c95a09..59b38e6cd5 100644
--- a/src/union_room.c
+++ b/src/union_room.c
@@ -41,6 +41,7 @@
 #include "mevent.h"
 #include "dynamic_placeholder_text_util.h"
 #include "rom_8011DC0.h"
+#include "event_obj_lock.h"
 
 EWRAM_DATA u8 gUnknown_02022C20[12] = {};
 EWRAM_DATA u8 gUnknown_02022C2C = 0;
@@ -3341,7 +3342,7 @@ void sub_80156E0(u8 taskId)
         break;
     case 2:
         sub_8010F84(0x40, 0, 0);
-        sub_8010FCC(gUnknown_02022C40.field_2, gUnknown_02022C40.field_A, gUnknown_02022C40.field_C);
+        sub_8010FCC(gUnknown_02022C40.type, gUnknown_02022C40.playerSpecies, gUnknown_02022C40.playerLevel);
         sub_800B488();
         OpenLink();
         sub_8011C84();
@@ -3936,14 +3937,14 @@ void sub_80156E0(u8 taskId)
                 sub_801568C(gUnknown_082EF4FC);
                 break;
             default:
-                gUnknown_02022C40.field_2 = var5;
+                gUnknown_02022C40.type = var5;
                 data->state = 55;
                 break;
             }
         }
         break;
     case 55:
-        sub_8010FCC(gUnknown_02022C40.field_2, gUnknown_02022C40.field_A, gUnknown_02022C40.field_C);
+        sub_8010FCC(gUnknown_02022C40.type, gUnknown_02022C40.playerSpecies, gUnknown_02022C40.playerLevel);
         sub_801568C(gUnknown_082EF520);
         break;
     case 44:
@@ -5112,8 +5113,8 @@ s32 sub_8017EA0(u8 *dst, u32 gender, u16 *arg2, struct UnkStruct_URoom *arg3)
         result = 1;
         break;
     case 0x44:
-        ConvertIntToDecimalStringN(arg3->field_58 + 0x00, gUnknown_02022C40.field_C, STR_CONV_MODE_LEFT_ALIGN, 3);
-        StringCopy(arg3->field_58 + 0x10, gSpeciesNames[gUnknown_02022C40.field_A]);
+        ConvertIntToDecimalStringN(arg3->field_58 + 0x00, gUnknown_02022C40.playerLevel, STR_CONV_MODE_LEFT_ALIGN, 3);
+        StringCopy(arg3->field_58 + 0x10, gSpeciesNames[gUnknown_02022C40.playerSpecies]);
         for (i = 0; i < 4; i++)
         {
             if (gUnknown_03007890->unk_14[i].unk_04 == 2)
@@ -5203,10 +5204,10 @@ bool32 sub_8018024(void)
 void sub_801807C(struct TradeUnkStruct *arg0)
 {
     arg0->field_0 = 0;
-    arg0->field_2 = 0;
-    arg0->field_4 = 0;
-    arg0->field_A = 0;
-    arg0->field_C = 0;
+    arg0->type = 0;
+    arg0->playerPersonality = 0;
+    arg0->playerSpecies = 0;
+    arg0->playerLevel = 0;
     arg0->species = 0;
     arg0->level = 0;
     arg0->personality = 0;
@@ -5219,10 +5220,10 @@ void sub_8018090(void)
 
 bool32 sub_80180A0(u32 monId, struct TradeUnkStruct *arg1)
 {
-    arg1->field_A = GetMonData(&gPlayerParty[monId], MON_DATA_SPECIES2);
-    arg1->field_C = GetMonData(&gPlayerParty[monId], MON_DATA_LEVEL);
-    arg1->field_4 = GetMonData(&gPlayerParty[monId], MON_DATA_PERSONALITY);
-    if (arg1->field_A == SPECIES_EGG)
+    arg1->playerSpecies = GetMonData(&gPlayerParty[monId], MON_DATA_SPECIES2);
+    arg1->playerLevel = GetMonData(&gPlayerParty[monId], MON_DATA_LEVEL);
+    arg1->playerPersonality = GetMonData(&gPlayerParty[monId], MON_DATA_PERSONALITY);
+    if (arg1->playerSpecies == SPECIES_EGG)
     {
         return TRUE;
     }
@@ -5238,3 +5239,79 @@ void sub_80180E8(u32 monId, struct TradeUnkStruct *arg1)
     arg1->level = GetMonData(&gPlayerParty[monId], MON_DATA_LEVEL);
     arg1->personality = GetMonData(&gPlayerParty[monId], MON_DATA_PERSONALITY);
 }
+
+u32 sub_8018120(struct TradeUnkStruct *arg0, u8 multiplayerId)
+{
+    u16 response = 0;
+    u16 species;
+    u32 personality;
+    u32 cur_personality;
+    u16 cur_species;
+    s32 i;
+
+    if (multiplayerId == 0)
+    {
+        species = arg0->playerSpecies;
+        personality = arg0->playerPersonality;
+    }
+    else
+    {
+        species = arg0->species;
+        personality = arg0->personality;
+    }
+
+    for (i = 0; i < gPlayerPartyCount; i++)
+    {
+        cur_personality = GetMonData(&gPlayerParty[i], MON_DATA_PERSONALITY);
+        if (cur_personality != personality)
+        {
+            continue;
+        }
+        cur_species = GetMonData(&gPlayerParty[i], MON_DATA_SPECIES2);
+        if (cur_species != species)
+        {
+            continue;
+        }
+        response = i;
+        break;
+    }
+
+    return response;
+}
+
+void sub_801818C(bool32 arg0)
+{
+    sub_80173B0();
+    ScriptContext2_Disable();
+    sub_8098524();
+    gUnknown_02022C2C = 0;
+    if (arg0)
+    {
+        sub_8010FCC(gUnknown_02022C40.type, gUnknown_02022C40.playerSpecies, gUnknown_02022C40.playerLevel);
+        sub_8011090(0x40, 0, 0);
+    }
+}
+
+void sub_80181CC(void)
+{
+    ScriptContext2_Enable();
+    ScriptFreezeEventObjects();
+}
+
+u8 sub_80181DC(struct UnkStruct_URoom *arg0)
+{
+    u8 retVal = 0x80;
+    u8 i;
+
+    for (i = 0; i < 4; i++)
+    {
+        if (arg0->field_C->arr[i].unk18)
+        {
+            retVal |= arg0->field_C->arr[i].unk0.field_0.playerGender << 3;
+            retVal |= arg0->field_C->arr[i].unk0.field_0.unk_00.playerTrainerId[0] & 7;
+            break;
+        }
+    }
+
+    return retVal;
+}