The Serpentine Express was a "Tour Ninjago" bus infected by the Fangpyre bite, effectively transforming it into a heavily armed (and heavily armored) mobile fortress for the Serpentine's use.
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The Serpentine Express was a "Tour Ninjago" bus infected by the Fangpyre bite, effectively transforming it into a heavily armed (and heavily armored) mobile fortress for the Serpentine's use.