My Sword Has Hundreds of Millions of Evil Things in It

[System + semi-invincible + decisive killing + no heroine + passionate comedy + traditional orientation] Short-lived Ghost Chu Wushen: Have you ever heard of using lifespan to increase your strength? The peerless genius Chu Wushen should have a bright future, but he is secretly bound to the Crazy Sword System. The Crazy Sword System can actually exchange life for cultivation, but the prerequisite is to complete the task and activate the system! Chu Wushen, who could not activate the system, had not improved at all in five years. Looking at the impossible tasks of activating the system, Chu Wushen became desperate... [Ding! Trigger mission: sneak attack on the ninth-level monster, the Red Flame Sky Eagle! Mission reward: Activate the crazy knife system! [Ding! Trigger task: Taunt a powerful person in the Venerable Realm! Mission reward: Activate the crazy knife system! [Ding! Trigger the mission: Kill a strong man in the Saint Realm! Mission reward: Activate the crazy knife system! Chu Wushen: System ****, I ****, you ****! Finally, Chu Wushen successfully activated the system and embarked on his path to becoming a god! In a world that has been invaded by monsters for the most part, let's see how Chu Wushen, with one sword and one man, can turn the tide, save the building from collapse, and save the human race from disaster!