Super link with Yo-Kai Watch 4. You can use it once a day and get your items.
In addition, you can get a special item "Spear Cross".
The DX Yo-Kai Ark is now available as a single item at an affordable price.
This product is the same as the DX Yo-Kai Ark EX Takaradama Shichisho SP Set "Ruby Shurakoma".
(From Amazon.co.jp)