Episode 64 of "Dragon Ball Super" is expected to feature plenty of action, as well as one potential series-altering twist.

To start, the episode is expected to show Goku and Vegeta engaging in individual battles.

According to episode details shared by noted tipster "@Herms98," Goku is expected to take on Zamasu, while Vegeta will continue his fight with Goku Black.

Given the incredible powers of the four combatants, the fights are expected to be true spectacles.

The Vegeta-Goku Black clash in particular is expected to be quite interesting as it may feature the Prince of the Saiyans gaining the upper hand over his opponent.

Vegeta will apparently not be able to maintain his advantage for long, however, and that's because Goku Black and Zamasu are expected to do something that could change the course of the battles for good.

As the episode details hinted at, there may be an unexpected turn that takes place near the end of episode 64, and that twist may come in the form of Goku Black and Zamasu combining their powers.

The title of the upcoming "Dragon Ball Super" episode – "Praise and Adore Him! The Explosive Birth of Merged Zamasu!" – is also hinting that a fusion is set to take place.

Fans of the "Dragon Ball" franchise already know that a fused being can wield powers too overwhelming for even the universe's most powerful fighters to handle, and that's already the case even when beings less powerful than Goku Black and Zamasu are the ones who fuse together.

If Goku Black and Zamasu really are set to combine their powers, that could lead to the creation of a new fighter who could feature abilities that are powerful beyond comprehension.

Fans may be able to get their first look at Merged Zamasu as soon as episode 64 of "Dragon Ball Super" airs on Oct. 30.