To find hidden or rare monsters in Final Fantasy 13-2, you will need the Skill Fragment ‘Battle Mania’ as it increases the chances to spot otherwise hidden rare monsters. You can get this Skill Fragment from the lower left room of Xanadu Palace.
Metal Cactus Location. It’s hit and run type monster that can be found in Dying World AF700. May drop Hermes shoes versatile booster.
Cactuar Location. It’s Porcupine fish and can be found in Great Plains Arukakiruti. May drop Chocobo’s tail orb.
Hungry Joe Location. It can be found in Bilge Ruins AF005 and may drop Phoenix Tail or Fragments of Life.
Ten Metal Jabot Location. It can be found in Great Plains Arukakiruti and may drop Hermes’ Shoes.
Moblin Location. It can be found Great Plains Arukakiruti.
Yasha Location. It can be found in Vile Peaks AF010.
Don Tonberry Location. It can be found in Bilge Ruins, tunnel bridge AF100.
You can refer to our Hidden Monsters Locations guide to find the hard-to-get Monsters in Final Fantasy 13-2. If you face trouble locating these monsters, let us know in comments and we will help you out.