Reborn! I Use Modern Technology to Rewrite the Dinosaurs' Extinction

In a Reading Slump. Recommend High-Quality Novels with Smart Leads, No Useless Heroes, and No Broken Engagements

Please recommend cultivation novels with smart protagonists who are decisive and ruthless, not wishy-washy or saintly, and that aren’t about breaking off an engagement or a good-for-nothing. The market is flooded with those kinds of stories, and I’m sick of them. You can guess the ending from the opening chapters. So boring.