I! an Even Numbered Knife Will Kill

Drop your phone into a hot pot and activate the awesome and invincible system. You are taken by the invincible system to a fantasy world called Endless Continent. You are waiting for the system to start and live an invincible life for three years. You find that the system has disabled a genius, failed to start one after another, and was finally downgraded to an even-numbered knife sure-kill system, with a kill point module included as an apology. You possess this deposed genius. From now on, no one in the Endless Continent can take your second blow. You are finally invincible. You looked at the recording crystal ball and nodded with satisfaction: "Yes, it has been 30,000 years since the knife was used! However, there is still no one in the world who can do it!" You decide to do something, such as specializing in all kinds of dissatisfaction, such as making villains with the best girls, such as building your own power, such as starting to activate more system modules... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.