A Key Item is an item in the Key Items Pocket that you can register and use by only pressing the X button.
Click on Pal Pad in your Key Item storage. It will give you three options, and one of them is "register"
Black 2 has Black City, but using the game's key system, it can also have White Forest.
I would say so, since you need it to get Reshiram.
The Special Key is a key item in Pokemon Diamond. You can find this item in a warehouse in Veilstone City.
You can't delete a key item!
You have to use the Unova Link, and you can use the Infrared connection with someone who has Pokemon Black 2 (which has Black City), and receive the key from them.
The way you get the Treehollow Key is that you have to have a pokemon White 2 and go to key system and get it.
The Iceberg Key is an exclusive to White 2, if you wish to get it in Black 2 then you need to do the Unova Link function
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There's no item known as the Darkness Key in Pokemon. At all.
Yes, but you'd need someone with White 2 to give you the Ice Key.
'A' is the white key in between the second and third black key in the group of three black keys. 'B' is the white key to the right of the three black keys. 'C' is the white key to the left of the two black keys. 'D' is in between the first and second black key of the two black keys. 'E' is the white key to the right of the two black keys. 'F' is the white key to the left of the three black keys. 'G' is the white key between the first and second black keys of the group of three.