을 끝까지

… all the way to the end

→ 을
phrase Uncommon #14,597
… all the way to the end 을 marks the preceding noun as the object; 끝까지 means “to the end” or “all the way through.”
KO: 책을 끝까지 읽었어요.
EN: I read the book all the way to the end.

난 이 게임을 끝까지 갈 거 야.

I'm going to play this game till the end.

— 더 러닝 맨 (2025)