If you cannot find a GUI editor for your region or version, you can use a generic (like HxD) to modify DW8XL saves. This is tedious but possible.
: Before making any changes, always create a copy of your save file, typically found in Documents\TecmoKoei\Dynasty Warriors 8 . Advanced Modding with Aldnoah Engine Dynasty Warriors 8 Xtreme Legends Save Editor
By unlocking the full potential of Dynasty Warriors 8 Xtreme Legends with the Save Editor, players can experience a new level of gameplay and excitement. Explore, create, and dominate the world of Dynasty Warriors like never before. If you cannot find a GUI editor for
: Force-unlock animals, gallery items, and stages. How to Set Up Van’s Editor Dynasty Warriors 8 Xtreme Legends Save Editor