This a very handy hack u can use to lvl up very fast and easy...
How to use:
Go to ninja saga and wait till your character loads
Run fiddler 2
Drag the downloaded swf files to the autoresponder in fiddler
check the two boxes ''enable auto responder'' and ''permit passthrough for un matched requests''
Clear the cache of google chrome or mozilla firefox,which ever browzer you maybe using
for instant missions go to mission room and for 1 hit boss kill go to hunting house.... Enjoy!! hint:(clearing the cache of your browzer frequently can help reduce thenumber of page reload errors u get)