User blog:Jeear/Dragon City, Get deus vault.

WARNING : Use at your own risk.

Using this hack can get you banned but for 30 minutes only.

link: http://www.client17.frogit08.com/dragonfree/?ti=1391220435

put your fbid and sessionid then load information.

on the "List Items" find deus vault and uby it.

to get free formulas (even when you dont have gems)

There's a "Deus Vault" section pick the formula you want.

then click "buy formula" then you have it :)

To get FB ID : http://findmyfacebookid.com/

To get session ID : click "Free gifts" while playing then right click, view frame source, ctrl+f, type "sessionid" the number next to it is your session id :)

been using it for months, still not banned!