를 풀고

… and undo, loosen, release, or solve

→ 를
phrase Common #6,040
… and undo, loosen, release, or solve The noun before 를 is what is undone, loosened, released, or solved; 풀다 has different meanings depending on context.
KO: 그 저주를 풀고 집으로 돌아왔어요.
EN: I lifted the curse and came back home.