Warlock of the Magus World (WN) - Chapter 656

In the Da Li Dynasty, there exist humans, demons, ghosts, and deities.The court oppresses cultivators, while monsters run rampant in the world, causing suffering to the people.Li Fan, under the command of his master, leaves the mountain to slay demons but finds himself caught in a great storm of events.-------------------As the sword leaves the mountain, the world trembles.I have nine swords, each with its own spirit!

“Why is the thing you summon always so strange, can’t it be a little more normal?”

Lu Yu looked helplessly at the guy who was waving his tentacles in front of him.

“Who made me look up to see you every day…”

- Description from novelbuddy

After an ominous prophesy is discovered, the swordsmen of the kingdom of Ensis must band together to avoid the fate that has already been foretold.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates