Forgotten Murim King

When the world was in need of him he saved the whole world from mysterious enemies and disappeared without any trace. After the war ended many martial artists tried to find him but none were able to find his whereabouts. Not finding any information about him they forgot about "Murim King" and his contributions. But after several years when the strongest martial artist aka "Murim King" returns he finds the society has completely rotten and sects only have pride no discipline and respect for others. He helps a girl mother unknowingly and later helps the girl to become the strongest under heaven and change her small house to a big and most powerful sect. Read this story of the forgotten hero who uses his blade not to kill but to save others.