▁end ▁of ▁each ▁of ▁the ▁initial ▁eight ▁stages ▁is ▁a ▁b oss ▁battle , ▁where ▁the ▁player ▁inher its ▁that ▁Rob ot ▁Master ' s ▁unique ▁" Master ▁We ap on " ▁if ▁successful . ▁These ▁eight ▁levels ▁can ▁be ▁completed ▁in ▁any ▁order , ▁although ▁all ▁Rob ot ▁Masters ▁are ▁weak ▁to ▁a ▁specific ▁Master ▁We ap on , ▁adding ▁an ▁element ▁of ▁strategy ▁to ▁the ▁order ▁chosen ▁by ▁the ▁player . ▁The ▁player ' s ▁health ▁is ▁represented ▁by ▁a ▁gauge ▁that ▁can ▁be ▁re filled ▁by ▁pick ing ▁up ▁energy ▁pel lets . ▁Ext ra ▁lives , ▁reserve ▁energy ▁t anks , ▁and ▁pel lets ▁that ▁ref ill ▁Master ▁We ap on ▁power ▁can ▁also ▁be ▁found ▁throughout ▁each ▁level . ▁M ega ▁Man ▁ 6 ▁introdu ces ▁the ▁" E ner gy ▁Bal ancer ", ▁which ▁automatically ▁ref ills ▁the ▁weapon ▁with ▁the ▁lowest ▁energy ▁when ▁pick ing ▁up ▁Master ▁We ap on ▁power . ▁ ▁Pre vious ▁M ega ▁Man ▁games ▁typically ▁allowed ▁the ▁player ▁to ▁call ▁on ▁the ▁transform able ▁dog ▁R ush ▁or ▁use ▁other ▁support ▁items ▁in ▁order ▁to ▁traverse ▁difficult ▁or ▁otherwise ▁in access ible ▁parts ▁of ▁a ▁stage . ▁M ega ▁Man ▁ 6 ▁instead ▁features ▁a ▁pair ▁of ▁" R ush ▁Ada pt ors " ▁that ▁f use ▁M ega ▁Man ▁and ▁R ush ▁into ▁special ▁forms . ▁The ▁first , ▁" J et ▁M ega ▁Man ", ▁lets ▁the ▁player ▁fly ▁up ward ▁or ▁hover ▁for ▁a ▁brief ▁period ▁of ▁time