세계에

in the world

→ 세계
phrase Uncommon #7,573
in the world 세계 means “world,” and 에 marks the place or sphere where something happens. Depending on context, it can also mean “to the world.”
KO: 그는 새로운 세계에 들어갔어요.
EN: He entered a new world.

친구들을 구하러 당신들의 세계에 왔어요.

I came to your world to save my friends.