Dark Lord: Rise to Power - Chapter 24: Cave of Echo- ’Double Trouble’

The Return of the Heavenly Demon!I promised myself to live ordinarily for the rest of my life…….“Please be my father until I graduate.”He suddenly gained a daughter out of nowhere.

Chen Yan travels between worlds, ending up becoming an honorable prince in a medieval fantasy world. Yet this world was not quite as simple as he thought. Witches with magical powers abound, and fearsome wars between churches and kingdoms rage throughout the land.

Roland, a prince regarded as hopeless by his own father and assigned to the worst fief, spends his time developing a poor and backward town into a strong and modern city, while fighting against his siblings for the throne and absolute control over the kingdom. Join Roland as he befriends and allies with witches and, through fighting and even farming, pushes back invaders coming from the realm of evil.

- Description from Novelupdates

The low-ranking behemoth, the iron mountain is invincible in the horizontal push, and it is called the king of the backing.

- Description from novelbuddy

Seratus tahun yang lalu, Ordo Cahaya mengalahkan Raja Kegelapan dan mendirikan pemerintahan yang mereka sebut era perdamaian.Namun, di balik senyum para penguasa Cahaya, tersimpan sistem yang menindas. Orang-orang yang dianggap “kotor” atau “berbeda” dimusnahkan atas nama kemurnian. Siapa pun yang mempertanyakan Ordo dituduh sebagai pemuja kegelapan dan dihukum mati.Namun, ada rumor yang mengatakan bahwa sisa-sisa kekuatan kegelapan perlahan-lahan bangkit. Seorang pemuda misterius bernama Kaelen, yang memiliki darah gelap, mulai mengumpulkan pengikut untuk menumbangkan tirani Cahaya. Mereka tidak bertarung untuk menghancurkan dunia, tetapi untuk mengembalikan keseimbangan dan mengungkap kebohongan Cahaya.