![sigma megaman x3 sigma megaman x3](http://4.bp.blogspot.com/-BEiMLO5nVzw/US50v75XyoI/AAAAAAAAAEs/vdYfLfd8bWA/s1600/sigma+3.jpg)
You can use your arm chip for rapid charged shots if you want. Your X Buster is the only weapon that damages him. His attacks come out in big flurries so you'll probably have to deal with multiple projectiles at the same time. Someone got the memo that X2's final boss was laughably weak, because this guy is the other side of the spectrum. Try your best not to use your Sub Tanks because the next boss is cheap and terrible. After you drain half of his health, he'll start throwing his shield at you like he's Captain America or something. You can take him down with two Beam Saber hits. He won't be guarding while he's attacking. His weakness is the Spinning Blade and it's easy to hit him with it when he jumps. Use the wall to get some height if you want, but remember that the fireballs will climb the walls so you're not safe up there. Alternatively, just double upwards air dash over the whole works of them.
![sigma megaman x3 sigma megaman x3](https://sm.ign.com/ign_ap/screenshot/default/ss-dd9c2fa88a7309dc9c9119af7b83013727bd66581920x1080_hmvt.jpg)
Jump over the low ones, stand under the high ones, and dash under the mid ones. They come out low, high, mid, low, high, mid. His fireballs come out at different heights, some of which are high enough to avoid by standing or dashing, others of which you'll have to jump over. He'll mostly alternate between shooting a flurry of six fireballs at you, which crawl along the floor or wall if they hit them, or jumping into the air and shooting those same fireballs straight down or diagonally. More bosses! But first, some Ganseki Carriers and Walk Blasters. Mega Man X3 Guide > Walkthrough > Doppler Stage 4