What item have the lowest rate to drop ?

Question

I know there's some items that are rare because you can only drop them in invasions, like Ferumbra's Hat, but among the items you can drop by hunting, what's the rarest ?

Answer 1

I can't guarantee which is the lowest drop rate, but here is a list of EXTREMELY RARES items:

1. Stuffed Toad  from Witches
2. Shield of Corruption  from Draken Abominations
3. Snake God's Wristguard  from Draken Abominations 
4. Tin Key from War Golems
5. Reins  from Dark Apprentice
6. Foxtail from Deepling Guard
7. Draken Trophy  from Draken Spellweaver
8. Mini Mummy from Mummy
9. Cobra Crown from Draken Elite