Maybe just a little. [He doesn't look very contrite though.]

Cultivators are from my world, where we have an issue with spiritual energy build-up. This makes some objects obtain sentience, and causes an problem when people die with unresolved issues. Cultivators help deal with these problems so ordinary people can...continue to live their ordinary lives.

Now, on the train, not all of the passengers were alive at the point they were grabbed. So, this is their chance at a second life. Like Wen Qing. She was burned to death...then showed up here. Which I am glad for, as she didn't deserve that fate, at all. [He might still have guilt.]