because he is the character you play as in halo if they kill him off in halo 1,2,3 they wouldn't make money of the halo series and he is "super" and he can apparently not die you've seen all the close encounters in halo 1,2,3
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master chief's power level is so high i can't imagine
Master Chief is a male.
it is a rank in the spartan army and John (master chief) is not only the last spartan but he is also the only master chief
master chief is totaly NOT A GIRL.OfcnStupid person
Master Chief is a Master Chief in the UNSC (A fictional branch of the military) and is the highest enlisted rank attainable.