Stalker is an enigmatic and feared antagonist in "Warframe" who hunts the Tenno after they defeat important bosses. With a black and red Warframe, he uses powerful abilities and has a varied arsenal. Motivated by revenge for the destruction of the Orokin, he sends threatening messages before attacking. The Stalker is a former Tenno, determined to punish his former kin. His ability to appear unexpectedly and his combat skills make him one of the most formidable threats in the game.

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