MTL - I Have Signed in at the Academy for 80 Years, and I Am Invincible in the World - v2 Chapter 219 Too 1 door

Trample over the proud, suppress myriad paths!To vie for the ultimate way, only I, the Sword Sovereign, shall stand supreme!My sword may seem ordinary at first glance, but rest assured, it will be your end!

Guang Xiaoyu always thought her senior brother was a dispirited ordinary person, until one day, his pet cow crushed an entire group of Divine Kings with a single stomp.The black dog opened its mouth and expelled a Sword Qi, blocking millions of the Demon Race.The Earth Chicken that babbled every day turned out to be a descendant of the Ancient Phoenix!Ahhhh!Her worldview collapsed!Zi Ji: “Senior sister, it's terrible! The Demon Emperor is leading an army of millions from the Demon Race towards us.”Guang Xiaoyu: “Senior brother, help!”(This is a story about the Demon Emperor’s rebirth, the Netherworld’s daughter’s reincarnation, the protagonist's pet-keeping journey, and a call to everyone to love and care for small animals!)

A story about a traveler who crossed into a parallel universe, relying on his Proficiency ability to continuously grind experience and become stronger.

I finally managed to kill the demon lord.