Ambyssin
Gotta go back. Back to the past.
Necrozma shrugged. "Two brats are knocking the stuffing out of each other because they hate each other's guts."
"Perhaps a single human wasn't enough to truly expunge it from this world." It was more of a statement than a question. Necrozma looked up at the sky. "Or maybe it has a counterpart seeking revenge? Hell, a portion of it could've escaped and found World Ender."This world has been in an era of peace. Which makes this sudden arrival... strange and unexpected.