How is “on pain of” used?

In The Lord of the Rings: The Two Towers (2002), one line is: “And all its domains under pain of death.”

Which movie is “on pain of” from?

The clip at the top of this page is from The Lord of the Rings: The Two Towers (2002).

with the threat of having sth done to you as a punishment if you do not obey

formal · Se oye en 1 películas

Oxford100% de las películas
with the threat of having sth done to you as a punishment if you do not obey
and on pain of excommunication...
has demanded that he break the engagement on pain of disinheritance.

Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición

And all its domains under pain of death.

En 8 películas · n.º 1