I'll Be Invincible

The protagonist will never fight for opportunities, never enter secret realms, never make enemies, and never be passionate and aggressive. The core logic of the whole book: Those who are reckless will die, those who are stable will survive forever, and they will survive to the death of all the arrogant people in the world, and they will survive until they are invincible in the world. There is no harem, no show-off, no brainless fighting, the whole process is reasonable and steady development.