The Goddess's Personal Doctor - Chapter 6 - : Iron Buddies

I returned to Earth as the invincible Knight King. But the Gods came with me.

What would you do if you were transported to an academy where becoming immortal was possible? Where magic spells and swordsmanship were your courses and fighting zombies and wars were your exams? Dawn Academy was no ordinary learning institution and Xiao Lin was about to find out how mysterious and exciting this magical academy really was.

Cifer was offered as a sacrifice to the devil by his own family. Instead of dying, was given a chance to live in another world. The One True God has given him a mission. Stop the higher being calling themselves gods from snatching soul from the life stream and restore balance.An adventure will begin from a devil's sacrifice to be one of the most powerful beings seen.With a body of a titan and souls of devils, grasp power and devour everything for happiness and freedom.

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