Mobile Strike - Building Development Restricted File
All information relating to the Special item Building Development Restricted File in Mobile Strike including how it can be acquired (e.g. whether it can be acquired from gold shop, alliance store, black market) and how it can be used.
| Name | Building Development Restricted File |
| Category | Special |
| Effect | Special Resource Item |
| Description | Special Resource Item used for Building Development Research Projects. In the Building Development Research Category all projects require these, together with the general Research Files, and the normal resources. These Research Files cannot be purchased with gold or alliance credits. Typically you need to buy packs to get these Files. |
Not all special resource items can be purchased in the store. Alternative ways of acquiring special resource items include buying in packs, winning via challenges and purchasing in black market.