Using Ninjutsu in Battle Through the Heavens

Looking for Battle Through the Heavens Stories. Remember, Battle Through the Heavens, Not Douluo Dalu

Battle Through the Heavens Fanfiction: The Protagonist Is from One of the Eight Great Clans, with Gu Xun'er as the Heroine

Battle Through the Heavens + System + Transmigration, Thanks, Everyone!

Please recommend novels where the protagonist transmigrates into "Battle Through the Heavens" and awakens a System. Thanks, everyone.