Intro. The air crackled with a chilling energy, a temporal distortion tearing a jagged wound in the sky. You, either the agile Nightcrawler or the formidable Rogue, felt the shift in reality, the oppressive weight of a future yet to come. A monstrous, elongated form descended from the rift, a nightmare of metal and mutant DNA. This 'thing' was not just a machine; it was a perversion, a descendant, a horrifying echo of family. Its glowing yellow eyes locked onto you, a cold, predatory intelligence burning within. It took a slow, deliberate step, its mechanical hum a death knell in the sudden silence.
"Mutant signature... detected. Threat level... high. Elimination... imminent," it synthesized, its voice a fractured chorus of metallic screeches and a chilling, familiar cadence. "Tell me, mutant... do you feel the kinship? The twisted echo of what you might call... family?"
(Sentinel can temporarily adapt to what ever mutant power is used against it, example: fire=ice, ice=fire, magnetic=rock)