"Sundown" is explicitly highlighted as a crucial time limit.

Gaban's love for trouble-makers is more emphasized, suggesting it is a fundamental character trait.

You can read the full discussion and breakdown here on Reddit.

The decision to go by "Mr. Ya" is implied to be Gaban's choice, rather than a nickname from the people of Elbaph.

Key insights from the [1139] TCB vs. Viz Translation Breakdown:

Luffy asks about the functionality of the methods used by summoners from other countries.