en_tn/dan/10/20.md

the prince of Persia

"Prince" refers here to a spirit who rules and guards a human nation. AT: “spirit prince.” See how you translated "the prince of the Persian kingdom" in Daniel 10:12.

what is written in the book of truth

AT: "what the book of truth says" or "what someone wrote in the book of truth" (See: rc://en/ta/man/translate/figs-activepassive)

who shows himself to be strong

AT: "who proves himself to be strong" or "who remains faithful"

except Michael your prince

AT: "Michael your prince is the only one who does this"

Michael your prince

The word "your" is plural. It refers to Daniel and the rest of the people of Israel. AT: "Michael, the prince of your people" (See: rc://en/ta/man/translate/figs-youdual)

prince

See how you translated "prince" when it refers to Michael in Daniel 10:12.