Magic that involves an aspect of nature.

Classical elements are fire, water, earth, and air.

Other elements sometimes considered are wood, metal, void, light, aether, holy, darkness, life, time, heart, space, etc. depending on the setting.
[‘Lightning Magic Primer’ has been consumed. Your understanding is very high.] [The 2nd Circle magic ‘Lightning Bolt’ has been acquired.] The unprecedented magician who will eat all the magic books of the world has appeared !
“Now that I’m back, I won’t allow my loved ones to die again!” The Shadow Labyrinth – the most catastrophic existence humanity has faced in history. Desir Arman is one of the six remaining survivors of mankind. The six attempted to clear the final level of the labyrinth but ultimately failed, and the world came to an end. However – when Desir thought he would meet his demise, what is revealed before him is the world… thirteen years ago?! Desir is returned to the past, back to the time when he enrolled at the nation’s finest magic academy – Havrion. He is reunited with his precious friends, and is prepared to change the past to save the world and his loved ones…! Three years remaining before the emergence of the Shadow World! Change the past and gather powerful comrades to save mankind!
The second moon marked the beginning of a revolutionary change. With the emergence of monsters and dungeons in modern society, and the ability users who fight against them, the world faces a shift in its paradigm. It heralds the advent of a new energy source and the decline of traditional occupations. Common sense thus becomes warped and imagination becomes reality.
The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.