en_tn/rev/20/13.md

The sea gave up the dead ... Death and Hades gave up the dead

Here John speaks of the sea, death, and Hades as if they were living persons. (See: rc://en/ta/man/jit/figs-personification)

the dead were judged

This can be stated in active form. Alternate translation: "God judged the dead people" (See: rc://en/ta/man/jit/figs-activepassive)

Hades

Here "Hades" is a metonym that represents the place where unbelievers go when they die, to wait for God's judgment. (See: rc://en/ta/man/jit/figs-metonymy)