Although Alex didn't end up getting to taste Amahle's fat ass, he at the very least did not have to pay a billion dollars to the woman after making an incredibly stupid bet to quite literally save his ass from torture.
As for what happened to Isabella, she threw an enormous fit like a child when La Madre tried to chain her up with her brother, to the point where Alex felt compelled to step in on her behalf. And thus, the man now found himself caught between two of the heroines he was supposed to conquer, both of which had nothing short of animosity for one another.
"Listen, La Madre… Surely you're not going to chain the girl up with her brother, I mean the guy might quite literally rape her, he already threatened to do so… I won't be able to sit by and watch such a thing happen!"