Fantasy: Invincibility Starts from Adding Points to the System

"The human race will eventually be sacrificed." "Is there no other way?" "No, this is fate and cannot be changed!" "No, I have a system, and I'll be done with it." The protagonist said so. … This is a story in which the protagonist travels to another world with a system and eventually sinks. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.