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.
A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard's downfall, he used the wizard's body as a springboard to gain influence and power in his new world.
When Viscount Ascham’s House’s eldest daughter, Adele von Ascham, became 10 years old, she remembered everything with an intense headache. Her previous self, Kurihara Misato, 18 years old Japanese, lost her life when trying to help a young girl, and then she met God… A somewhat capable person burdened by the many expectations of the surrounding people, Misato, who couldn’t live as she wanted, pleaded to God. “In the next life, please make my abilities average!” Yet, somehow the story is wrong! The girl with 3 names, being careful to not accidentally become a S-rank hunter, lives normally. I mean, I’m just an average, common girl. No, seriously.
The Revered Master, Yu Yan, known as the number one in the cultivation world, waited for sixteen thousand years, and finally took in a disciple. He taught her carefully, and took care of her diligently. He watched her as she slowly grew stronger as she comprehended the laws, and just as she was about to soar into prominence… she died! Hence, he once again took in another disciple, carefully taught her, diligently took care of her, and then… she died again! Thus, he took in another disciple, and not long after… she still died! Yu Yan: … Disciple: … (Why do I always get picked up by the same person every time I reincarnate? Haaaa…)
It’s a story that happened long, long ago, in a continent far, far away, about gods and mortals, sword and magic, war and peace, and of course love and hatred. Amon was a poor miner’s son in a remote town in the kingdom of Hittite. Along with the discovery of a marvelous gem, his fate was changed. People on this land called it Gods’ Tear. But wait, what were the gods? It was said that the gods created the world. Then who created the gods? Forced by the tantalizing fate, Amon had to struggle to find out the truth behind this world of magic and gods……