A Valiant Life - Chapter 1227 - I used to do this in the past

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

[ Ding! You have successfully obtained the fiftieth Triling Ring ]

[ You now have access to enter the Mystic Cave guarded by the Nine Dragons ]

[ New Quest: Vampires approaching. Stop them from invading the Mystic Cave by ordering the dragons to protect you and your men. You have one week before the vampires reach the foot of the cave. Learn how to tame and control the nine dragons before they arrive]

[ Failure to do so will lead to your demise and all the fifty rings you’ve gathered will be a waste. The magical world will be destroyed and vampires will take over the land. You will be reborn in the next 250 years and would have to start gathering the fifty rings once again ]

*****

Rejected, due to being an human in the land of elves, Kevin was banished and casted into the river the very day he was born. But fate said he would live as he was rescued by the very person who casted him into the river.

Every mage when they reach the age sixteen were told to attend the mage academy and Kevin, the abandoned human who had overheard the conversation of some students, got excited to attend this academy.

He asked from his guardian if he could attend the academy but unfortunately, he was denied, all because of him being an human and not an Elf. At that moment, he became angry and had locked himself up in his guardian’s workshop, that was a room full of all types of magical items.

But while in the room, Kevin had spotted a golden ring that instantly glowed as soon as it touched his bloody fingers. Surprisingly, he was given a system that granted him the opportunity to be an Elf. But what he discovered was that, he wasn’t just an elf but a fairy and also an human.

.....

Empire of the Ring is a Korean modern fantasy epic adventure novel that sets in the nations of the Caucasus mountain range which separates Europe and Asia. The nations of Caucasus are regions of many conflicts over territories, ethnicities, and religions. The story begins as Lee Youngho, a warm-hearted Korean merchandiser, takes a business trip to a disputed territory of the Caucasus nations to sell Korean unmanned security systems only to get misconstrued as a spy and caught by Armenian militia. Youngho eventually gets involved with the militia and CIA to help out people of the regions from conflicts and works toward a birth of a new empire in Caucasus.