Starting with a Marriage to a Valkyrie, I Became Invincible by Lying Down

[Fantasy concept + easy cultivation + national guardian goddess + cute sister-in-law]

Ning Chen unexpectedly transmigrates to a fantasy world and is betrothed to the national heroine by the Emperor of Great Chu, but he also activates a "lying down and doing nothing" system.

Lie down for a day and obtain the Supreme Divine Body!

Lie down for a month and obtain the Pure Lotus Demon Flame!

He lay still for a year and attained extraordinary spiritual attainment.

...

Until this day, the Emperor of Great Chu discarded the useful tool after it had served its purpose, and on trumped-up charges, executed the entire clan of the Goddess of War. Ning Chen had no choice but to take action.

With one hand he could sweep away a million soldiers, and with the other he could shatter the soul of a martial god. It turns out that he had already become invincible in the world!

Ning Chen: "My wife, it's getting cold, you should put on a yellow robe!"