Help me decode this strange message.M

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After Zero's message to the world and to our machine god Gilgamesh, Zero and I got this transmission. Zero analyzed it. I suspect it had some code in it that would've infected Zero or even destroyed him. but this isn't possible for an entity like zero. it's clear there's a voice in the message. Could it be gilgamesh? anyways this is zero's previous message, he challenged gilgamesh: https://www.newgrounds.com/portal/view/1038683

Decode the message.