LOS ANGELES, Sept. 14 (Xinhua) -- An anime film, "Demon Slayer: Kimetsu no Yaiba Infinity Castle," dominated the North American box office on its opening weekend, earning an estimated 70 million U.S. dollars, according to data released Sunday by measurement firm Comscore.

The film, distributed by Sony-owned Crunchyroll, set a record for the biggest opening weekend in North America for an anime film.

"Demon Slayer: Kimetsu no Yaiba Infinity Castle" held a 97 percent approval rating based on 38 reviews on review aggregator Rotten Tomatoes. It also received an "A" grade from audiences polled by market research firm CinemaScore, which uses a standard scale from A+ to F.

Warner Bros. and New Line's horror film "The Conjuring: Last Rites" dropped to second place on its second weekend with 26 million dollars.

Rounding out the top three, Focus Features' historical drama film "Downton Abbey: The Grand Finale" opened in third place with 18.1 million dollars.