Mega Man X2 (17): Final Stage - Zero, Sigma, & Ending

"From Zero to Hero"
After a string of unexpected delays, the time for the final showdown has arrived at last! I'll be honest. I was a bit pressed for time on this one, and I decided to do these fights separately. That kind of takes away a bit of the luster on this one, but with the way things go, I think it works out well in the end.
We didn't rescue Zero on the main file, now did we? I hope you're ready to take on one of the toughest fights in this game then... pending you don't figure out the key to his pattern early on. A recurring theme with these final fights is to keep ahead of your enemy, but not by so much that you run right into their attacks!
Whether you've saved Zero or not, Sigma will be waiting for you at the end. In a normal playthrough, the second half of this one is rather trivial. When trying not to get hit, that phase can be a nightmare as it only gets harder the farther it goes along. Can I keep the precision up long enough to claim my ultimate victory? Well...