One knife 999, if you are a brother, come and kill me!

\[Online game \+ invincibility \+ decisive killing\] \[Early online game \+ mid\-term fusion of reality \+ late game advent\] Data flow \+ upgrade flow opening awakening R\-level talent \[cutting\]\! This talent attribute adds 1 point of true damage to each monster killed\! And this damage ignores any shields\, including invulnerability\. I've already started leveling with epic\-level bosses\, but you still can't beat gold\-level bosses? Huh?\! There seems to be a mythical\-level boss in fron...