No. He's piloting the robot. He himself is the avatar of power of the kinda supreme being in his game. The being is not really god. Just from a higher dimension and with more power than anyone else in this dimension.
He himself has destroyed mechs with hsi bare hands and busted a country as a teenager. All while having two limits on his power.
The mysterious Red Gear Pawnage
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Fei loses his cool after witnessing his best friend get assassinated; releasing Id and blasting a village to dust.
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He ain't known as The Slayer of God for nothing.