Mega Man Battle Network Tips

Secret Navis
After you beat the final boss, there are 3 more navis to beat if you meet certain requirements.
They are:

Pharaohman -Internet 12- (Must be at least lvl 70)
Shadowman -Internet 15- (Must have at least 140 chips in your library)
Bass -Internet 16- (Must have all chips in your library except #127)