Crazy spoilers are coming about Giant Susanoo Goku, a new technique that has never been seen out of Goku.
It seems that the writer Toyatarou is taking us on another mysterious turn of the outcome of this manga chapter.
So, the main spoiler alter about Dragon Ball Super Manga 66 is that Goku in his continuous battle against Moro was able to size up into a giant Susanoo figure.

This Giant Susanoo Goku figure is somewhat similar to that of Naruto Shippuden where characters like Sasuke and Madara are able to pull off.
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A lot of people are saying that it makes sense that Goku can pull this giant Susanoo form because he masters Ultra Instinct.
However, on the other hand, others are saying that Goku knows about this technique long ago from the Yardrats.
But was it stated that Goku while on Planet Yardrats did have enough time to learn about all their techniques?
Back in Dragon Ball Z When Future Trunks appeared for the first time meeting Goku, Goku explained to everyone that he only could learn one technique.
That technique was known as instant transmission. Nonetheless, it’s very odd seeing Goku turned into a giant Susanoo figure now in the manga against Moro.
Anyway, this Gaint Susanoo Goku figure or whatnot could be something Goku had all along.
However, Since Vegeta had trained with the Yardrats a bit longer than Goku. We thought that a technique like turning into a giant is what we would see out of Vegeta instead of Goku.
However, since Goku has mastered complete ultra instinct, he can push out more ki and turn it into a solid-state.

Giant Susanoo Goku Vs. Planet Moro
While giant Susanoo Goku vs Planet Moro was duking it out, Moro on the other hand looked somewhat deform.
That could be because of Vegeta’s earlier attacks on Moro while he was fused with the earth. Moro could potentially lose most of his energy from Vegeta’s Forced Spirit Fission technique.
Furthermore, that is why Moro looks frog-like while Mastered Ultra Instinct Goku pushes him back.
However, it seems like Moro is about to blow up or pop while Goku completely overpowers him.
Nonetheless, seeing Goku turning into a giant Susano should not come as no surprise because, with mastered ultra instinct, anything is possible.
At this point in the manga, Goku is OP (Over Powered) and unstoppable, probably stronger than a God of Destruction like Beerus.
Goku’s Final Attack On Planet Moro
So, While overpowering Moro, Goku makes his final move or final attempt to smash Moro’s crystal on his forehead.
Nonetheless, if Goku is successful in his attempt to smash Moro’s crystal that would be the end of Moro. So, it seems like Vegeta was denied the W this time again in Dragon Ball Super after hyping him so much.
However, things may turn out differently in December since November is not where this arc will end. They are probably gonna do something that will last for another chapter that basically wraps up the arc.