d. If Sanosuke pings the swordsmen's radar, then so should Heero because Sano doesn't use a katana either.
Also, easiest way to xover them: either two different planets, a la Vathara (Star Wars/Kenshin, SG1/GWing), or the classic "fall through a plothole interdimenional portal".
Re: HEEEEERRROOOOOO
Also, easiest way to xover them: either two different planets, a la Vathara (Star Wars/Kenshin, SG1/GWing), or the classic "fall through a
plotholeinterdimenional portal".