After Being Demoted as City Lord at the Beginning, I Gradually Became Invincible

We can tear apart any country, but never touch that city. ——Historical Records of Monster Clan … As a city, Gathering the wealth of ten countries, Gathering the sharp edges of the seven gates, He also guards an aloof city lord. It is the immortal totem of this continent! Regardless of whether the country changes hands, and wars are everywhere, it will always stand firm!