The Whole Family Is Invincible, It Doesn't Matter If I'm Missing One

[Invincible Identity + Kendo + Ease] Traveled to the world of immortal cultivation and became the young master of the top family in the world. However, he found that he had no talent for cultivation, so he simply lay down. Taishang Patriarch always said: There are two different things between not having a sword in your hand and having a sword in your hand but not using it. It wasn't until the immortals crossed the line, the demon clan was in turmoil, and the demon king invaded the realm that I realized, "So I am the nuclear bomb?"