The Return of the Mythical Archmage 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

“So, I’m an AI misfit? The pinnacle of modern magic technology, an unfit person unable to integrate artificial intelligence. Shin Hayul, the genius magician who’s been cast aside. Before him appears a book. ‘To the descendant who can hear this voice, who possesses the same constitution as mine, I, Ray Bell Bytner, leave this book.’ Alongside the book left by the legendary archmage, the halted time of a genius begins to move once more.”