▁arm or , ▁and ▁their ▁technology ▁usually ▁be ars ▁multiple ▁versions ▁of ▁their ▁symbol , ▁a ▁st yl ized ▁cross - shape . ▁Tro op ers ▁are ▁also ▁given ▁a ▁basic ▁repeating ▁assault ▁weapon , ▁and ▁in ▁Met roid ▁Prime ▁ 3 , ▁some ▁are ▁equ ipped ▁with ▁the ▁Ph azon ▁En h ancement ▁Device . ▁ ▁Baby ▁Met roid ▁The ▁Met roid ▁lar va ▁is ▁chron olog ically ▁the ▁last ▁Met roid ▁of ▁its ▁race ▁following ▁the ▁events ▁of ▁Met roid ▁II : ▁Return ▁of ▁Sam us ▁and ▁Met roid : ▁Sam us ▁Returns . ▁Sam us ▁describes ▁how ▁a ▁Met roid ▁lar va ▁h atch ed ▁from ▁an ▁egg ▁and ▁immediately ▁im print ed ▁upon ▁her , ▁bel ieving ▁her ▁to ▁be ▁its ▁mother . ▁She ▁brought ▁the ▁lar va ▁to ▁Cer es ▁Space ▁Col ony , ▁where ▁scient ists ▁learned ▁that ▁they ▁could ▁har ness ▁its ▁power . ▁Just ▁after ▁she ▁left ▁the ▁col ony , ▁she ▁received ▁a ▁dist ress ▁call ▁and ▁returned ▁to ▁find ▁the ▁scient ists ▁dead ▁and ▁the ▁lar va ▁st olen . ▁The ▁Baby ▁Met roid ▁is ▁used ▁as ▁the ▁driving ▁theme ▁of ▁the ▁game ▁as ▁Sam us ▁t ire lessly ▁searches ▁through ▁Z eb es ▁and ▁eventually ▁the ▁Space ▁Pir ate ' s ▁base ▁on ▁T ou rian ▁for ▁her ▁Met roid ▁h atch ling . ▁Once ▁encounter ing ▁the ▁en larg ed ▁Baby ▁Met roid ▁in ▁Space ▁Pir ate ▁cl ut ches , ▁it ▁attacks ▁Sam us ▁and ▁nearly ▁dra ins ▁all ▁her