Even a level 3 defense tower could not withstand eight minor monsters attacking it eight times at once. Lu Yang had done everything he could to protect the tower.
Monsters that knew how to siege cities were still manageable, but then self-destructing minor monsters appeared. That left Lu Yang helpless.
Self-destruction—six of the eight defense towers he had built were blown up in an instant. At that point, he knew he could not hold out any farther. The Deer Blood, deer antlers, six gold ores, and other valuable items he had obtained at the start had all gone to waste.
He had never had that kind of luck again afterward, so he had always held a deep grudge against defense towers. No matter what, he would not make the same mistake again.
"Roar!"
A sudden roar came from outside the castle.
System Notification: A boss has arrived. Please prepare for battle.
Lu Yang did not have time to check what Duke Reiss was selling. He hurried beneath the castle and saw a giant emerald-green three-headed snake rushing toward him.
Three-Headed Snake King (Boss) Level: 10 Health: 10000/10000 Attack Power: 200/200 Defense: 10
Lu Yang sighed. How long had it been since he had seen a boss with so little health? If he were using his true body, any random skill could instantly kill this Three-Headed Snake King.
"Summon Water Elemental."
As Lu Yang recited the spell, the first and second Water Elementals had just vanished because their time had expired. The one beside him was the third Water Elemental he had summoned. Including the one he had just summoned, he now had two Water Elementals.
He ordered the two Water Elementals to hold the front line. After reaching level 7, he had 23 Intelligence. Converted into