Tools:
Fiddler 2
Steps To Follow:
Open Ninja Saga And Play
Open Fiddler ,Tick "Enable Automatic Responses" & " Unmatched Request Passthrough"
Drag The File
Clear Cache Browser<Ctrl+Shift+Delete>
Then Be SUre That Your Stamina Is Not Full
Then Go To Shop , Buy Stamina
You Can Also Do Instant TP Mission
Enjoy!
Note : Use carefully this hack , or else you'll waste something!