He did wreck Gaia's arm. The attack was confined to the small area that Kratos was in, and I don't think it is what NemeBro is referring to, but it owned Gaia.
Also, as Fear Zeus, his Lightning bolt had enough power to force every weapon out of Kratos' hammerspace dimension.
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"To all visitors from Transylvania looking for the head of Voivode Dracula: Yes, we have it. Yes, he's dead. No, you cannot see it. No, he will not return and invade you again. It has been over thirty years, please stop pestering us."
I am having way too much fun with Saints Row IV to actively participate in this thread atm, but I was referring to Zeus wielding a (Less powerful) Blade of Olympus against the Titans.