Valuables are key items collected during the course of the game. They come in three categories: Event, Guild, and Collection. Event items are gained in the course of the plot. Guild items are items you find in some of the special missions in each area. Collection Items are special pictures you collect in various ways.
Event:
CrystalPetal: A flower with petals that are as clear as crystal. Tico's treasured possession, you receive it along with him, and it is key in unlocking the Maya breed.
Hengar Parts Parts from a Hengar, an ancient weapon. Filled with sorrow. This item is found within the Factory (your second adventure), and allows you to unlock the Hengar breed.
Certificate: A certificate given to officially recognized breeders. You receive this item after finishing your adventures in Campana.
Mask Fragment: A fragment of mask of the Queen of Warp's monster. You receive it after completing your adventures in Tongue Bool, and it unlocks the Joker breed.
Red Feather: A beautiful fiery red feather. Received after winning the sage's first challenge in Maomao Jungle.
Blue Feather: A beautiful pure blue feather. Received after completing the sage's second challenge in Maomao Jungle.
Yellow F.: A noble-looking yellow feather. Received after finishing the sage's third challenge in Maomao Jungle.
Red Bell: A bell given only to the strongest animal trainers. Received after beating the first challenger in Tukuyomi Caves.
Blue Bell: A bell given only to the smartest animal trainers. Received after beating the second challenger in Tukuyomi Caves.
Yellow Bell: A bell given only to the best animal trainers. Received after beating the third challenger in Tukuyomi Caves.
Gaia Stone: A gem-like stone made of crystallized anima. Received at the end of Tukuyomi Caves.
Corridor Key: The key to the "Nameless Corridor" extra dungeon. Received after finishing the game through a pre-meeting event in Warp World.
Guild:
Stone Pot: A pot made from precious stones. Looks expensive.
Ultrageonyte: An especially pure Geonyte. Very valuable.
Old Mirror: An old mirror filled with lots of memories.
Desert Bread: Unusual bread only found in the desert. "Desert Fruit."
Scorpion Orb: A rare gem shaped like a scorpion. Very valuable.
MaoMao Honey: Top quality CongaConga honey. Delicious.
Mercury Drop: A legendary panacea. Said to work on all illnesses.