I Arrived One Month Before the Bloody Battle Three Hundred Years Later

A loud noise pierced the sky, and unknown stars across dimensions suddenly appeared. Unknown alien enemies entered the country in large numbers. The battle for survival to defend our homeland was about to begin! In the face of adversity, the survivors freely competed for the top spot, formed a team to kill zombies and worked together, the King's Trial shocked the world! This is the proving ground of the brave, the performance of the king, and the battle for the top! Guilds gather together heroes to fight against the enemy together! The adversity of war has never changed the king's will. He accumulates resources and prepares for war. He transforms tanks and strengthens weapons. The battle to pursue the dawn of victory is now! I traveled to 299 years later and one month before my death, which is one month short of three hundred years! I should have died. Since it allows me to live 299,11 months longer. We will indeed encounter a bloody battle in the future. Those prophets said that three hundred years will be the end of the world. Indeed no one can tell what caused the destruction of the world. Then let me witness it! I will save you someday. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.