Unique
These are items that are obtained from doing specific deeds.
Lost Umbrella
Simply look for it when you are within the secret area thats hidden in some stages.
Hero of Kkto Bio
You must defeat a powerful foe to obtain this.
Hero of Jumbo Bio
You must defeat a Lunastra, to obtain this from the Supply Lady.
Wyvernian Harp
Send Trenya, on lots of expeditions, until he gives it to you.
Sinister Cloth
A random material obtained only from Trenya's Expeditions to certain places.
Expand Pickaxe
A randomly given reward for Training, or Treasure Hunting, excellence.
Felyne Fur Ruby
Simply look for it when you are within the secret area thats hidden in some stages.