RobH_en_tn/rev/19/11.md

General Information:

This is the beginning of a new vision. John begins to describe a rider on a white horse.

Then I saw heaven open

This imagery is used to signify the beginning of a new vision. See how you translated this idea in Revelation 4:1 and Revelation 11:19 and Revelation 15:5.

The one riding it

The rider is Jesus.

It is with justice that he judges and wages war

Here "justice" refers to what is right. Alternate translation: "He judges all people and wages war according to what is right" (See: rc://en/ta/man/translate/figs-explicit)