▁Hel gh ast ▁war ▁machine ▁to ▁a ▁halt . ▁The ▁main ▁protagon ists ▁is ▁Serge ant ▁Tom as ▁" Se v " ▁Se v chen ko , ▁a ▁battle - hard ened ▁veter an ▁of ▁the ▁special ▁forces ▁unit ▁the ▁" Leg ion " ▁assigned ▁to ▁Al pha ▁team , ▁who ▁go ▁on ▁a ▁mission ▁to ▁take ▁out ▁the ▁Hel gh ast ▁threat . ▁Captain ▁Jan ▁Tem pl ar ▁has ▁been ▁promoted ▁to ▁Colonel ▁and ▁is ▁the ▁Fle et ▁Commander ▁of ▁the ▁New ▁Sun , ▁a ▁Cru iser ▁air ship ▁set ▁up ▁in ▁the ▁clouds ▁of ▁Hel ghan ▁over ▁its ▁capital ▁city , ▁P yr r hus , ▁prepar ing ▁for ▁a ▁final ▁attack . ▁During ▁the ▁invasion ▁of ▁Hel ghan , ▁Se v ' s ▁unit ▁is ▁deployed ▁behind ▁enemy ▁lines ▁to ▁assist ▁the ▁main ▁invasion ▁force . ▁Task ed ▁with ▁se cur ing ▁the ▁enemy ▁capital ▁of ▁P yr r hus , ▁Hel ghan ' s ▁first ▁true ▁city , ▁the ▁team ▁disco vers ▁that ▁the ▁Hel gh ast ▁are ▁a ▁more ▁form id able ▁enemy ▁on ▁their ▁home ▁planet . ▁They ▁adjust ed ▁to ▁Hel ghan ' s ▁host ile ▁conditions ▁and ▁have ▁har ness ed ▁the ▁power ▁of ▁the ▁light ning ▁storm s ▁that ▁always ▁occur ▁on ▁Hel ghan ▁which ▁they ▁can ▁use ▁against ▁the ▁I SA . ▁A ▁cold , ▁bar ren , ▁unf org iving ▁world , ▁Hel ghan ▁provides ▁a ▁ready ▁defense ▁with ▁thick , ▁acid ic ▁air , ▁dust ▁clouds , ▁and ▁violent ▁surg ical