The Sword Saint Rises for Revenge!

Ethan Yap wants the man who killed his master. He was left as a baby, and Luo Tianqing, head of the North Continent Sword Sect, picked him up and raised him inside the sword mountain as a disciple. Ethan trained in the sword for a thousand years and reached the top of it, and the day he got there the word arrived that Luo Tianqing had been killed in the Central Continent. He goes to the Central Continent with one sword and starts looking. The killer is hard to find, and what he turns up instead is the truth about the Human-Demon war of a thousand years ago, which is not what he was taught. The Demon Emperor comes back. Ethan stands at the front of the human side and leads them against the demons.