I Have Signed in the Cold Palace for Eighteen Years, and I Am Invincible in the World

(This book is free. It has a male protagonist with an online IQ, a female protagonist with triple personality, and a cute and salty sister.) The misty world of mortals and the world of immortal martial arts are but a grain of salt! In Xuantian Continent, strength is respected and the winner is king! A young man came out of the cold palace to open up wasteland and farm, Build a city, establish a faction, recruit heroes, and build a holy land! He often said: There are three thousand roads, so why not take a detour and live a good life? He also said: Anyone who offends our dragon clan's holy land will be punished no matter how far away! He angrily said: It's too noisy, let's unite the world from now on! (This book is also called "Sign in the World of Immortal Martial Arts and Create the Strongest Holy Land")