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Robo NO.1 is a unique enemy from Donkey Kong for the Game Boy, as only a single Robo NO.1 appears in the game, being in Stage 9-6 of the Tower. It takes the appearance of a knight, as its body is wholly furnished with armor; the enemy is robotic as well, given its name. Robo NO.1 has the same behavior as the Golem in Stage 9-1, since it patrols its area, switching direction whenever encountering a margin. Mario loses a life if he runs into it. However, Robo NO.1 can be stood on and also picked up and thrown. Because the stage it appears in lacks any other enemies (besides an undefeatable Gyātoru) or usable projectiles, it is impossible to vanquish a Robo NO.1 within the context it is presented.
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