dredge up (verb)

1. During the séance, the medium dredged up memories of a terrifying supernatural encounter.

2. The preacher warned his congregation not to dredge up their sinful pasts but to seek forgiveness.

3. In the intense flashback, the protagonist dredges up a traumatic childhood memory, revealing his hidden powers.

4. As the superhero confronts his arch-nemesis, he dredges up the villain's dark past, exposing his true intentions.