This achievement requires you to acquire one of every item that is listed in your Item Collection Records at the data shop. You only need the item to show up in your log, you do not need all possible rarities for every item. Rank 35+ Items only appear in the Land of Carnage. Rank 40 and 41 items can be stolen from the previous ranked item's Item World on floor 100 from the Item God 2 in the Land of Carnage. If you are leveling the items in the regular Item World, make sure to use a Gency Exit on floor 99 to save, and move to the Land of Carnage in order to steal the next ranked item. If you Gency Exit on floor 100, you WILL NOT
find the item.
Rank 30+ Weapons and Equipment must be stolen.
Rank 35+ Items are only found in the Land of Carnage
Please leave a comment if there is an item you need information on.