Mega Man V/Secrets

Energy Saver
Collect the four Energy Crystals, and Dr. Light will make the Energy Saver out of them.
 * Pluto Crystal: requires Deep Digger
 * Uranus Crystal: requires Break Dash
 * Jupiter Crystal: requires Deep Digger or MH Powerup
 * Saturn Crystal: requires Deep Digger or Break Dash

Mega Arm accelerator
Get four Game Overs in a row in the same stage, and Dr. Light will upgrade the Mega Arm. You can get a second upgrade if you get four more Game Overs. These two upgrades are not saved in the password.