Demon Hunter - Book 6 Chapter 39.9

Good and bad luck has followed Zach ever since he was five. Poor guy. His life has been far from the sweet and peaceful paradise one might expect of the youngest son of one of only four dukes in a great Empire.But a little more excitement than expected doesn't stop him from pursuing his dreams of summoning, and perhaps his luck is finally turning once he manages to summon something great.Armed with maids, a scummy gift of luck, and a strong will, Zach sets out to live life as he pleases, even to the annoyance of those around him. First stop: The Academy.

It's been 25 years since the apocalypse, when the world we knew changed forever. It was then that terrible monsters appeared and some of humanity evolved to fight them.Seraphine a 18 year old citizen in Newber, was living a peaceful life with her parents, learning at the Academy, to get a nice job within the government. At least, until everything turned for the worse and she ended up as an Evolved in a destroyed city.

Zhao Ming arrived in the Douluo Continent with the Sign-In and Clock-In System, awakening the Puppet Martial Spirit—Yan Lingji, Yun Yun, Medusa, and more…As Zhao Ming led his ten puppets across the continent, the entire Douluo Continent gradually became his personal domain.Awakening the power of the world, he reveled in the embrace of beauties.Such is the destiny of men.He crushed Tang San, killed the Grandmaster, destroyed the Clear Sky School, unified the continent, and became the first emperor of the Douluo Continent.

What would you say is the most valuable thing in this world?