diff --git a/platinum.us/rom.rsf b/platinum.us/rom.rsf
index f6e1ee17cd..7b44fb7907 100644
--- a/platinum.us/rom.rsf
+++ b/platinum.us/rom.rsf
@@ -212,7 +212,13 @@ RomSpec
 	File poketool/personal/growtbl.narc
 	File poketool/personal/pl_growtbl.narc
 	File poketool/personal/pms.narc
-	File poketool/personal/wotbl.narc
+
+	Root /poketool/personal
+	HostRoot res/pokemon
+	File wotbl.narc
+	
+	Root /
+	HostRoot res/prebuilt
 	File poketool/trainer/trdata.narc
 	File poketool/trainer/trpoke.narc
 	File poketool/trmsg/trtbl.narc
diff --git a/res/pokemon/meson.build b/res/pokemon/meson.build
index 9143b721c6..2c6f0f8b7e 100644
--- a/res/pokemon/meson.build
+++ b/res/pokemon/meson.build
@@ -604,6 +604,18 @@ endforeach
 
 
 # Generate NARCs
+wotbl_narc = custom_target('wotbl.narc',
+    output: 'wotbl.narc',
+    input: personal_files,
+    command: [
+        pokemon_wotbl_data_py,
+        '--knarc', knarc_exe,
+        '--source-dir', '@CURRENT_SOURCE_DIR@',
+        '--private-dir', '@PRIVATE_DIR@',
+        '--output-dir', '@OUTDIR@',
+    ]
+)
+
 pl_personal_narc = custom_target('pl_personal.narc',
     output: 'pl_personal.narc',
     input: personal_files,
@@ -670,3 +682,4 @@ nitrofs_files += pl_personal_narc
 nitrofs_files += pl_poke_icon_narc
 nitrofs_files += pl_pokegra_narc
 nitrofs_files += pl_otherpoke_narc
+nitrofs_files += wotbl_narc
diff --git a/res/prebuilt/poketool/personal/meson.build b/res/prebuilt/poketool/personal/meson.build
index 8ebe517459..d2242703f0 100644
--- a/res/prebuilt/poketool/personal/meson.build
+++ b/res/prebuilt/poketool/personal/meson.build
@@ -4,7 +4,6 @@ prebuilt_files = [
     'personal.narc',
     'pl_growtbl.narc',
     'pms.narc',
-    'wotbl.narc'
 ]
 
 foreach f : prebuilt_files
diff --git a/res/prebuilt/poketool/personal/wotbl.narc b/res/prebuilt/poketool/personal/wotbl.narc
deleted file mode 100644
index 29885c89ca..0000000000
Binary files a/res/prebuilt/poketool/personal/wotbl.narc and /dev/null differ
diff --git a/tools/json2bin/meson.build b/tools/json2bin/meson.build
index e6a19bc11b..b1e4bcde30 100644
--- a/tools/json2bin/meson.build
+++ b/tools/json2bin/meson.build
@@ -1,3 +1,4 @@
 encounters_py = find_program('encounters.py', native: true)
 movedata_py = find_program('movedata.py', native: true)
 pokemon_personal_data_py = find_program('pokemon_personal_data.py', native: true)
+pokemon_wotbl_data_py = find_program('pokemon_wotbl_data.py', native: true)
diff --git a/tools/json2bin/pokemon_personal_data.py b/tools/json2bin/pokemon_personal_data.py
index 4cd631ce7d..3d6a2da153 100644
--- a/tools/json2bin/pokemon_personal_data.py
+++ b/tools/json2bin/pokemon_personal_data.py
@@ -89,8 +89,8 @@ FORM_INDICES = {
 def indexer(file_path: pathlib.Path) -> int:
     name = file_path.parent.stem.upper()
     if name == '000': return 0
-    if name == '494': return 494
-    if name == '495': return 495
+    if name == 'egg': return 494
+    if name == 'bad_egg': return 495
     if file_path.parent.parent.stem == 'forms':
         species_idx = file_path.parent.parent.parent.stem.upper()
         form = file_path.parent.stem.upper()
diff --git a/tools/json2bin/pokemon_wotbl_data.py b/tools/json2bin/pokemon_wotbl_data.py
new file mode 100644
index 0000000000..02e408e8a1
--- /dev/null
+++ b/tools/json2bin/pokemon_wotbl_data.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+import pathlib
+
+import json2bin as j2b
+
+from consts import (
+    moves
+)
+
+from consts.pokemon import (
+    species
+)
+
+def table_line(move_id: int, level: int) -> bytes:
+    return ((move_id & 0x01FF) | ((level & 0x7F) << 9)).to_bytes(2, 'little', signed=False)
+
+def pad_bytes(data: bytes) -> bytes:
+    '''Aligns data to 4-byte boundary.'''
+    alignment = len(data) % 4
+    padding = (4 - alignment) if alignment != 0 else 0
+    return data + [0x00] * padding
+
+def parse_level_up_moves(table: dict, _size: int, _enum: None):
+    out = []
+    for key, value in table.items():
+        level = int(key)
+        level_moves = value
+        if type(level_moves) == str:
+            out += table_line(moves.Move[level_moves].value, level)
+        elif type(level_moves) == list:
+            for move in level_moves:
+                out += table_line(moves.Move[move].value, level)
+        else:
+            print('ERROR')
+    out += [0xFF, 0xFF]  # Sentinel value for end of list
+    return pad_bytes(out)
+
+
+SCHEMA = j2b.Parser() \
+    .register_name(lambda s: s) \
+    .register('learnset.level_up', 0, parse_level_up_moves)  # Level-up learnsets are not fixed size
+
+
+FORM_INDICES = {
+    'DEOXYS' : {
+        'ATTACK': 496,
+        'DEFENSE': 497,
+        'SPEED': 498,
+    },
+    'WORMADAM': {
+        'SANDY': 499,
+        'TRASH': 500,
+    },
+    'GIRATINA': {
+        'ORIGIN': 501,
+    },
+    'SHAYMIN': {
+        'SKY': 502,
+    },
+    'ROTOM': {
+        'HEAT': 503,
+        'WASH': 504,
+        'FROST': 505,
+        'FAN': 506,
+        'MOW': 507,
+    },
+}
+def indexer(file_path: pathlib.Path) -> int:
+    name = file_path.parent.stem.upper()
+    if name == '000': return 0
+    if name == 'egg': return 494
+    if name == 'bad_egg': return 495
+    if file_path.parent.parent.stem == 'forms':
+        species_idx = file_path.parent.parent.parent.stem.upper()
+        form = file_path.parent.stem.upper()
+        return FORM_INDICES[species_idx][form]
+    return species.PokemonSpecies[f'SPECIES_{name}'].value
+
+
+args = j2b.ARGPARSER.parse_args()
+j2b.json2bin(args.source_dir,
+             SCHEMA,
+             args.private_dir,
+             args.output_dir,
+             indexer,
+             glob_pattern='**/data.json',
+             narc_name='wotbl',
+             narc_packer=args.knarc)