Fantasy: Invincibility Starts from Killing the Saint

Just after traveling to a fantasy world, are you going to be killed by a saint? Fortunately, the awakened god-level counter-kill system can be automatically triggered as long as the enemy is two realms higher than you, increasing your strength to be stronger than the enemy, so as to counter-kill the enemy. Not only that, if you counter-kill the enemy, you can also get amazing rewards! "Ding, congratulations to the host for killing the saint and gaining saint-level understanding. Your understanding will be comparable to that of a saint!" "Ding, congratulations to the host for obtaining the Eyes of the Saint. Your eyes can see through illusions and penetrate all the laws of heaven and earth!" "Ding, congratulations to the host on the successful first kill. I hereby reward you with the emperor-level body-training technique and the Immortal Heavenly Technique!" … Ps: The introduction is weak, please read a few chapters. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.