The Myriad Races Codex: You Call This an F-Rank Talent?

A thousand years ago, the Haotian Tower descended upon Blue Star, triggering the invasion of myriad races. Starting with the fall of the Sakura Kingdom, humanity entered a dark age of survival. At the cost of countless lives, humanity fought through the tower in a game-like journey, with generations of martyrs striving for a foothold among the myriad races. Prophecy foretold that a Lord of the Age would be born every century. Now, at the turn of another millennium, Xu Kun steps into the Haotian Tower, seeking a glimmer of hope. Unexpectedly, he awakens the unique F-rank talent "Myriad Races Codex"! [Ding! You have slain the sole ultimate boss of the Corrosive White Ant race, the Corrosive White Ant Emperor, gaining dominion over the F-rank Corrosive White Ant race!] [Ding! You have killed 100 A-rank Blood Clan monsters, obtaining the A-rank skill "Blood Contract"!] [Ding! You have accumulated 10 A-rank boss kills; your talent has evolved to S-rank!] ... You call this an F-rank talent? Xu Kun steps on the head of a Dragon Clan prodigy, smashes the shell of the Xuan Turtle Clan's holy son, and declares arrogantly: "Three Sacred Clans, Seven Royal Clans? With me, Xu Kun, here, how dare you bully humanity!" With the blood of myriad races, he builds his path to godhood. An F-rank talent can still defy heaven and slay gods!