If you check the item in your inventory, it gives you the open to investigate the item. It shows you an image

IMAGE- SPOILER

It's brand new and unlocks a new hidden opponent if you investigate.

There's threads in both the bragging and battle forums about it.

aahhhh thank you very much! im never lurking those so... lol thanks!

No problem, It just came out at midnight and I just so happened to be looking at the forums.

- What's the item you get in your inventory? I haven't gotten one yet. :)

is the item :)

- Thanks. I should have known that.

No problem :) You can find it at the cottage AFAIK