▁energy . ▁During ▁the ▁final ▁battle ▁against ▁Mother ▁Bra in , ▁the ▁Baby ▁Met roid ▁comes ▁to ▁aid ▁of ▁Sam us ▁by ▁re charg ing ▁her ▁energy , ▁but ▁Mother ▁Bra in ▁dest ro ys ▁it ▁in ▁ret ali ation . ▁Sam us ▁a ven ges ▁its ▁death ▁by ▁destroy ing ▁Mother ▁Bra in ▁with ▁an ▁extremely ▁powerful ▁weapon ▁given ▁to ▁her ▁by ▁the ▁Met roid . ▁After ▁a ▁planet - wide ▁self - dest ruction , ▁Sam us ▁for ▁once ▁m our ns ▁the ▁death ▁of ▁a ▁Met roid . ▁ ▁In ▁Met roid : ▁Other ▁M , ▁the ▁Baby ▁Met roid ▁is ▁mentioned ▁in ▁the ▁opening ▁cut scene ▁as ▁it ▁serves ▁as ▁a ▁rem inder ▁for ▁Sam us ' ▁loss ▁of ▁loved ▁ones ▁in ▁her ▁life . ▁Later ▁in ▁the ▁game , ▁on ▁B ott le ▁Sh ip ' s ▁S ector ▁Zero , ▁she ▁enc oun ters ▁a ▁Met roid ▁that ▁res emb les ▁something ▁similar ▁to ▁the ▁Baby ▁Met roid , ▁but ▁immediately ▁attacks ▁her ▁only ▁to ▁be ▁saved ▁by ▁Adam ▁M alk ov ich . ▁ ▁An tagon ists ▁ ▁Met roid s ▁ ▁The ▁ ▁are ▁floating , ▁par as it ic ▁jel ly fish - like ▁organ isms ▁with ▁tri part ite ▁nuc lei . ▁They ▁are ▁capable ▁of ▁si phon ing ▁an ▁und et ect able ▁life ▁energy ▁from ▁any ▁life ▁form , ▁generally ▁causing ▁the ▁death ▁of ▁the ▁victim ▁in ▁the ▁process . ▁Cre ated ▁by ▁the ▁Ch oz o ▁as ▁a ▁type ▁of