Wistoria's Wand and Sword 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

To fulfill his childhood promise, the boy aims at the top of the magical world with his sword in hand. There is only one way for him, who has no magical power, to reach the supreme peak...