Tools:
1. Fiddler
2. File SWF
3. Swf PASS
Steps:
1. Download Fiddler.
2. Open Ninja Saga.
3. Equip the skills+weapon (you want) + Clothes that I mentioned above.
4. Open Fiddler.
5. Click Tab auto-responder.
6. Check the box "Enable automatic responses".
7. Check the "Permit passthrough for unmatched requests".
8. Drag drop. SWF file that you download earlier to the column area Auto-responder.
9. Clean the Cache.
10. Now Refresh Ninja Saga.
11. Now you have Amaterasu + many other skills + Weapons + Clothes