The Omniscient Player of the Tower Defense Game

Lin Yuan opened his eyes and found himself transmigrated into the tower-defense game world he had once conquered. He thought he could become a great lord and achieve something remarkable, but little did he know [Monster invasion: in three days.] [Monster types: Skeleton Soldiers, Skeleton Warriors, Skeleton Priests, Liches.] [Race: Undead.] [Traits: Magic Resistance, Rebirth.] [Number: 4,000.] But when he opened his status screen he discovered that his identity was actually that of a tavern owner named Os! Twin Peaks City was about to face a monstrous calamity. Os would seize the opportunity to rise, going from a tavern owner who recruited mercenaries to the lord of an entire region, from having nothing to earning the admiration of thousands!