It's the first transformation, the Valkyrie Force. When you kill it, his energy bar will be recovered at 100% (the same with other transformations). You'll need more than patience to pass this level..

Sega of America, Sega Corporation, Sega, Sega Enterprises, Ltd. All the Latest Game Footage and Images from Alien Soldier The planet Sierra is being attacked by Scarlet, a terrorist group lead by a ...