For the next few days, some of the survivors in the shelter cleaned up the mountain of corpses outside the city wall, and some went out with the patrol team to transport materials.
Basic materials such as stone, iron, and other commonly used extraordinary minerals such as blackstone ore, tungsten ore, and moire were transported in batches to the shelter's central warehouse for storage.
The crack of the abyss, named "Resource Point No. 1," Tang Yu built a total of level 1, level 2, and level 3 walls around the crack and arranged them according to the range of the defensive building.
The outermost Level 3 city wall was mainly composed of cannons. Tang Yu upgraded one-third of the cannons to Level 2. In addition, there was a Level 1 Mage Tower every 30 meters. The defense was far stronger than the city wall outside the shelter.
On the level 2 city wall, a level 3 arrow tower was built every three meters. There were more than 200 arrow towers in total. In order to completely guard this resource point, Tang Yu also built two new types of defensive buildings.
On the level 1 city wall closest to the abyss, Tang Yu built two new types of defensive buildings.
One was a quadrangular prism with a height of more than 15 meters. The whole body was pitch black, and from time to time, the prism flashed with flowing inscriptions.
The other type of defensive building was a tall cylindrical tower with black and white stripes. It was about eight or nine meters high. The top of the tower was forked. The eye-catching thing was that above the forked top, there was a hexagonal crystal floating in the air. It was slowly rotating. The crystal mirror reflected a dazzling brilliance.
[Oppressive Obelisk: Construct a domain force field covering a certain range that can effectively suppress the enemy]
[Construction requirements: Level 4 territory, 20000 spirit stones, 5000 stone, 3000 iron, 300 tungsten ore, 100 blackstone ore]
When the territory was upgraded to level 4, Tang Yu built an Obelisk in the villa area and tried it himself. Walking into the field covered by the Obelisk was equivalent to being weakened, slowed, and other negative effects. It could weaken his strength by at least half.
Even if it was Elaine, Tyron, and other powerful followers, they could only exert 70% to 80% of their strength within the range.
The power of the Obelisk was worthy of its high price.
This suppression force field, Tang Yu could also mark it as an enemy to avoid indiscriminate suppression. However, there was a fatal drawback to being able to suppress the Obelisk. The range was not wide enough.
Covering a radius of two to three hundred meters, it didn't have much effect on the long city wall defense line. Unless he could build one every 500 meters.
However, it would be perfect if it was placed near the Abyssal Chasm at Resource Point No. 1.
In the past few days, Tang Yu ordered people to conduct a detailed survey of the Crack of the Abyss and got the size data of the crack.
It was nearly twice as long as the crack in Lindong.
Around the rift, on the frontmost step, Tang Yu built three Obelisks that could suppress the enemy, overlapping back and forth. The suppression range of the Obelisks overlapped, but the superimposed domain had a stronger suppression power.
In addition,
[Metamagic Prism Tower: Launch a condensed energy attack at the enemy in front.]
[Construction Requirements: Level 5 Territory, 8000 Source Crystals, 1000 Stone, 1000 Iron, 300 Tungsten Iron, 100 Prism Stone]
He had previously built a prism tower to test out the newly unlocked defensive building in a Level Five territory.
The result was barely satisfactory.
The Metamagic Prism Tower was a single-point attack. In terms of power, it was enough to rank first among all defensive buildings at present. However, the Metamagic Prism Tower had many shortcomings. Its range was very narrow, only 200 meters, not even comparable to an arrow tower. What made Tang Yu speechless was that it took up to five seconds to charge before launching a condensed energy beam attack.
It was already charged, but the range was still so short. It was embarrassing. He could easily run out of the 200 meters range in five seconds.
Even if it hit the enemy, the power of the Metamagic Prism Tower was at best a notch higher than the Floating Warship Cannon at full power. It was far from being able to kill or cause fatal damage to the transcendent demonic beast.
The Metamagic Prism Tower was originally abandoned by Tang Yu.
This time, because of the special terrain of the Crack of the Abyss, he thought of the Metamagic Prism Tower again.
In a row, on the wall closest to the crack, Tang Yu placed ten prism towers. In the process of trying to attack the demonic beasts pouring out of the crack, Tang Yu found that the Metamagic Prism Tower was a bit different.
The rotating hexagonal crystals at the top of the ten prism towers bloomed with a bluish-purple light at the same time. It originally took five seconds to charge up, but in the blink of an eye, he controlled the prism tower to attack the most difficult demonic beast in the swarm of demonic beasts. It finished charging in an instant.
On the other nine auxiliary towers, the hexagonal crystal shot out a bluish-purple beam of light. But instead of attacking the enemy, it was connected to the hexagonal crystal on the main tower.
In this mode, the main tower's attack hardly needed to charge.
Tang Yu was dumbfounded.
As the owner of the system, the territory lord, the person who could open the God's view to control the defensive building … he didn't know there was such a mode?!
System, can't you give me an instruction manual?!
Tang Yu named this mode 'Connection Mode' and experimented with it. In the Connection Mode, he could increase the number of auxiliary towers to reduce the energy storage time. He could also charge it for five seconds to launch a powerful beam attack. In the case of full energy storage, its short range could be improved to a certain extent.
Although there was no target to test with the ten Metamagic Prism Towers, Tang Yu estimated that its power was enough to cause fatal damage to the transcendent demonic beast.
Resource Point No. 1 was secured!
… …
These days, Tang Yu was very busy, very busy.
The layout of the defense line at Resource Point No. 1 took a lot of his time and energy. Building so many defensive buildings would make him dizzy!
In addition, the construction of the Lulin Railway was also put on the agenda.
Lindong's experts had planned the specific route and began to explore along the way under the escort of an Ancestral Dragon warrior team.
The Tree Shade was responsible for the defense of the railway line. In short, it was to build arrow towers along the railway to defend against demonic beast attacks.
There was no need to set up sub-territories. The construction of defensive buildings could be carried out by personal domain.
But it was more troublesome. The farther from the territory, the more materials other than spirit stones would be consumed. Fortunately, this time he cooperated with the Lindong military. The military was rich and had no shortage of manpower. Tang Yu proposed to let the other party collect wood, stone, and iron materials and transport them to the railway line.
Using local materials for construction could avoid a large consumption of basic materials. He could also take advantage of the situation and steal a wave of materials. Anyway, the Lindong military wouldn't care about such a small amount of things. Well, that's for sure.
On the other hand, to Tang Yu's surprise, one of Lindong's top executives, Gu Dong, came in person.
As a competitor and the one who was abused, Gu Dong, who came for the first time, appeared very peaceful with a warm smile on his face. After some discussion, both of them were very satisfied and walked out of the castle.
Gu Dong hoped to become the agent of the Tree Shade Rune Equipment and sell the equipment to other large shelters to earn the price difference.
Tang Yu was also happy to have another equipment sales channel. By sharing some of the profits, he could quickly expand the sales range and raise the Tree Shade brand awareness.
This was a win-win situation!
After surviving the demonic wave crisis, the Tree Shade Shelter's strength was revealed. No one in the entire Lincheng and even the surrounding areas dared to provoke them. Even the spies staying in the shelter had decreased a lot.
The territory ushered in a period of rapid development.
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