Megman zero 2 (gba)

Im stuck im in final stage with no sub tanks no ex skill 2 forms. I want some save with all things all sub tanks end in final stage saved.
So help or give me link to eny tutorial that have soulution how get sub tanks

http://www.gamefaqs.com/portable/gbadvance/game/589660.htmlA lot of walkthroughs here.