Mega Man 2 Difficult Run Part 6: Flash Man Stage + Item-3
Wielding Time Stopper, Flash Man can do just that: Completely stop time. Once his target is stopped, he can then freely blast it with his Flash Buster.
He likes to misuse this weapon to amuse himself, such as using it as a camera. For some reason, he hates wig commercials.
I was trying to conserve energy for the Crash Bomber while also using it to destroy the barriers I ran into. Said Crash Bombers are Flash Man's weakness, but a charged or semi-charged Atomic Fire will help, too.
Not only does Mega Man get Flash Man's Time Stopper weapon from defeating him, but he also gets the last item from Dr. Light: Item-3. It scales any wall it comes in contact with.
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See me try to beat Flash Man in the Sega Genesis version, here!:
https://youtu.be/dYmS4nlrAvo