Estea: Inheritor of the Magic of the Beginning is a Manga/Manhwa/Manhua in english language, ACTION series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

A wand and a spell. Wands and spells are what mages need to perform miracles. But people have made “magic-enhancing apparatus” with their technology, and the old robe-wearing mages are a thing of the past. The main character, Estea, is a mage who grew up in the countryside. She was trained from a young age by her grandmother, a woman who valued tradition, Estea, however, is a clumsy wizard who cannot even master rudimentary magic. Estea had given up on herself completely, but she left her hometown and entered a magic school in the city, where she later became involved in a mission. Estea is caught up in the battle to protect the world. What’s a spirit? What’s the abandoned city? An adventure of miracles and curses begins.