MTL - Age of Mysticism - Chapter 49 to sum

Hiding in the Cold Palace and eventually becoming a Boss of Sorts. Li Mu was transported to a fantastical world and became a measly eunuch of the State of Xia. Despite having initially thought that his life would be a miserable one, he had unexpectedly acquired a check-in system.

Synopsis: Tags: [Game-World Crossover] + [Sovereignty Farming] + [Luck Mastery] + [Undead Scourge] + [Inter-Species Conflict] + [Heroic Battles]This is a world where games have invaded reality.Every year, students turning 18 awaken to a job change.One person crossed over and became a Necromancer.Relying on a luck-based talent that made wishes come true and a legacy from Mother Earth, this person rapidly gained power.While others gambled on skill mutations, summoning variations, and the chance with endless resources,he simply needed to shake his talent and use the least resources to obtain everything.With an undead frenzy, he broke through the blockades of the other nations on Blue Star, making his empire great again.With the undead scourge, he wiped out the decayed porcine dynasties within realm territories and became the new Realm Master.In the name of the Dead Spirit Overlord, he waged war on the Battlefield of Ten Thousand Tribes and ascended to the throne of the Demon God.

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

- Description from Novelupdates

After crossing over into a world of magic, Dean Bruce was mistaken for a powerful sorcerer. Though he initially intended to sternly refuse the beautiful woman’s request to become her mentor, she offered him far too much to say no!Completely clueless about magic, Dean Bruce had no choice but to make up spells on the spot. However, when he saw the astonishing power unleashed by the beautiful woman after chanting his random incantations, he was stunned.The spells he had carelessly invented… could they really comprehend magic and even forbidden spells?As Dean Bruce ascended to the pinnacle of magical prowess and became the Archmage, he candidly answered a reporter's question during an interview with the Alliance: “ never understood magic. I just made up a few incantations, that's all.”People were in awe of him—this, they believed, was the true humility of a Grand Archmage!