Sign in and Be Invincible: I Am the Lord of the Doomsday Fortress

Zhao Xian traveled to the world of magic and fighting spirit, and as soon as he came up, someone made him a lord. But this fiefdom is in the enemy's hinterland. Fortunately, Zhao Xian has awakened the sign-in system. Glory battlefield sign-in: digital vision; Sign in at Marquis Castle: Doomsday Fortress; Sign next to the black dragon's corpse: bloodline of the black dragon's descendants; Zhao Xian grew from a lord in a corner of peace to the lord of the Doomsday Fortress! Finally, the end has come and there is no way to avoid it. Proud night elf girl: Sisters, go to Zhao Xian, it is the safest place in the world; Cute and cute cat-eared girl: Meow, is this the technology side? I have never seen such a spectacular fortress; Holy and beautiful angel: So powerful, it seems that only Zhao Xian can save the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.