The Royal City Was Destroyed; Behind Me Was the Entire DNF

Xiao Yang traveled through time and became a king. Before he even sat on the throne, he was told by his subordinates that the royal city was about to be breached—— But don't panic, I am the man with the whole Arad behind me! It doesn't matter if you are injured - learn about HP potion! It doesn't matter if you consume too much mana - learn about mp potion! It doesn't matter if you don't know how to craft equipment—Linus the Blacksmith will find out! And you, if you dare to shoot me with a bow and arrow, don't you know that times have changed - find out about the laser cannon! ———— This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.